PROPORTIONS PERCENT EQUATIONS USING PROPORTIONS n What percent

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PROPORTIONS & PERCENT EQUATIONS

PROPORTIONS & PERCENT EQUATIONS

USING PROPORTIONS n What percent of 80 is 18? n Percent is based on

USING PROPORTIONS n What percent of 80 is 18? n Percent is based on 100.

USING PROPORTIONS n

USING PROPORTIONS n

USING PROPORTIONS n

USING PROPORTIONS n

USING PROPORTIONS n

USING PROPORTIONS n

USING PROPORTIONS n

USING PROPORTIONS n

USING PROPORTIONS n

USING PROPORTIONS n

USING PROPORTIONS n

USING PROPORTIONS n

USING PROPORTIONS n

USING PROPORTIONS n

n 36 is what percent of 48?

n 36 is what percent of 48?

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n n Find 17% of 34. This time you are given the “percent fraction.

n n Find 17% of 34. This time you are given the “percent fraction. ”

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n Water covers about 361, 736, 000 km 2, or about 70. 8% of

n Water covers about 361, 736, 000 km 2, or about 70. 8% of the earth’s surface. Approximately what is the total surface area of the earth?

n Water covers about 361, 736, 000 km 2, or about 70. 8% of

n Water covers about 361, 736, 000 km 2, or about 70. 8% of the earth’s surface. Approximately what is the total surface area of the earth?

n Water covers about 361, 736, 000 km 2, or about 70. 8% of

n Water covers about 361, 736, 000 km 2, or about 70. 8% of the earth’s surface. Approximately what is the total surface area of the earth?

n Water covers about 361, 736, 000 km 2, or about 70. 8% of

n Water covers about 361, 736, 000 km 2, or about 70. 8% of the earth’s surface. Approximately what is the total surface area of the earth?

n Water covers about 361, 736, 000 km 2, or about 70. 8% of

n Water covers about 361, 736, 000 km 2, or about 70. 8% of the earth’s surface. Approximately what is the total surface area of the earth?

n Water covers about 361, 736, 000 km 2, or about 70. 8% of

n Water covers about 361, 736, 000 km 2, or about 70. 8% of the earth’s surface. Approximately what is the total surface area of the earth?

n Water covers about 361, 736, 000 km 2, or about 70. 8% of

n Water covers about 361, 736, 000 km 2, or about 70. 8% of the earth’s surface. Approximately what is the total surface area of the earth?

n Water covers about 361, 736, 000 km 2, or about 70. 8% of

n Water covers about 361, 736, 000 km 2, or about 70. 8% of the earth’s surface. Approximately what is the total surface area of the earth?

n Water covers about 361, 736, 000 km 2, or about 70. 8% of

n Water covers about 361, 736, 000 km 2, or about 70. 8% of the earth’s surface. Approximately what is the total surface area of the earth?

USING EQUATIONS n What percent of 80 is 18?

USING EQUATIONS n What percent of 80 is 18?

What percent of 80 is 18?

What percent of 80 is 18?

What percent of 80 is 18?

What percent of 80 is 18?

What percent of 80 is 18?

What percent of 80 is 18?

What percent of 80 is 18?

What percent of 80 is 18?

What percent of 80 is 18?

What percent of 80 is 18?

What percent of 80 is 18?

What percent of 80 is 18?

What percent of 80 is 18?

What percent of 80 is 18?

What percent of 80 is 18? REMEMBER: ANSWER THE QUESTION ASKED!!

What percent of 80 is 18? REMEMBER: ANSWER THE QUESTION ASKED!!

What percent of 80 is 18? REMEMBER: ANSWER THE QUESTION ASKED!!

What percent of 80 is 18? REMEMBER: ANSWER THE QUESTION ASKED!!

n A store advertises shoes on sale for 33% off. The original price is

n A store advertises shoes on sale for 33% off. The original price is $56. n A. Estimate the amount the shoes have been marked down. n 56 is close to 60. 1/3 of 60 is 20. Estimation is about $20 n B. What is the sale price of the shoes?

n n A store advertises shoes on sale for 33% off. The original price

n n A store advertises shoes on sale for 33% off. The original price is $56. B. What is the sale price of the shoes? Two methods: Method 1: Subtract the percent from 100 and multiply.

n n A store advertises shoes on sale for 33% off. The original price

n n A store advertises shoes on sale for 33% off. The original price is $56. B. What is the sale price of the shoes? Two methods: Method 1: Subtract the percent from 100 and multiply.

n n A store advertises shoes on sale for 33% off. The original price

n n A store advertises shoes on sale for 33% off. The original price is $56. B. What is the sale price of the shoes? Two methods: Method 2: Subtract the percentage off from the original price.

Simple Interest Simple interest is money that is paid on just the principal. Principal

Simple Interest Simple interest is money that is paid on just the principal. Principal – money that is deposited at the beginning of the account - How much you put in - Simple interest formula: I = prt I = interest paid p = principal amount r = rate of interest (percent) written as a decimal t = time in years

Determine the missing variable for the following situations: A. p = $500, r =

Determine the missing variable for the following situations: A. p = $500, r = 3%, t = 5 years, I = ? B. I = $153, p = $680, t = 15 years, r=?

Determine the missing variable for the following situations: 1. p = $500, r =

Determine the missing variable for the following situations: 1. p = $500, r = 3%, t = 5 years, I = ? I = prt I = (500)(0. 03)(5) I = $75

Determine the missing variable for the following situations: I = $153, p = $680,

Determine the missing variable for the following situations: I = $153, p = $680, t = 15 years, r = ? $153 = (680)(15)(r) $153 = 10200(r) 0. 015 = r 1. 5% as a percent

Determine the missing variable for the following situations: Could solve I = prt for

Determine the missing variable for the following situations: Could solve I = prt for r before beginning the problem. I = $153, p = $680, t = 15 years, r=?

Determine the missing variable for the following situations: Could solve I = prt for

Determine the missing variable for the following situations: Could solve I = prt for r before beginning the problem. I = $153, p = $680, t = 15 years, r=?

Determine the missing variable for the following situations: Could solve I = prt for

Determine the missing variable for the following situations: Could solve I = prt for r before beginning the problem. I = $153, p = $680, t = 15 years, r=?

Determine the missing variable for the following situations: Could solve I = prt for

Determine the missing variable for the following situations: Could solve I = prt for r before beginning the problem. I = $153, p = $680, t = 15 years, r=?

Determine the missing variable for the following situations: Could solve I = prt for

Determine the missing variable for the following situations: Could solve I = prt for r before beginning the problem. I = $153, p = $680, t = 15 years, r=?

Assignment 4. 3: 2 – 56 (evens)

Assignment 4. 3: 2 – 56 (evens)