Nothing but Percents Its all about the Vocab
Nothing but Percents ? It’s all about the Vocab Ratios And Rates Proportions and Indirect Measurements 5 pt 5 pt 10 pt 10 pt 15 pt 15 pt 20 pt 20 pt 25 pt 25 1 pt
____ is a percent of the cost of an item that is charged by governments to raise money. 2
Sales Tax 3
What is a ratio comparing a number to 100 called? 4
Percent 5
A comparison of two quantities by use of division is called _____. 6
A Ratio 7
A ______ is a ratio used to compare two quantities measured in different units. 8
Rate 9
Define the following: Sales Tax, A Tip, and A Discount and describe how you would find all three. 10
Tax: an amount added to the price of the item by the government. A Tip: an amount added to a bill for service. A Discount: An amount that is subtracted from the regular price of an item 11
Colors of Different T-Shirts Red Blue Green Purple Yellow 24 42 36 51 60 What is the ratio of Red to Blue? 12
24: 42 13
Colors of Different T-Shirts Red Blue Green Purple Yellow 24 42 36 51 60 What is the ratio of purple shirts to all of the shirts? 14
51: 213 15
What are three equivalent ratios of 16: 6? 16
-Examples: 8: 3, 24: 9, 80: 30, etc. 17
Bars of soap come in packages of 6 and 20. The 6 -bar pack costs $7. 86, and the 20 -bar pack costs $25. 00. Which is the better deal? What is the price per bar of the better deal? 18
The 20 bar pack at $1. 25 per bar. 19
A 12 pound bag of dog food costs $12. 36 and a 15 pound bag of dog food costs $ 15. 30. Which is the better deal, and what is the best Unit Rate? 20
The 15 Pound Bag at $1. 02 per Pound 21
Write a proportion of 8’s to $ 8888 $$$$ 22
Possible Answers: 4: 8 or 1: 2 or 12: 24 23
These are called what? 24 (assuming they are Similar Figures)
Corresponding Angles 25
Solve: = 26
1. f = 75. 25 27
Two Figures are Similar if: 1)_______ and 2) ______ 28
1) The measures of the corresponding angles are equal. 2) The ratios of the lengths of the corresponding sides are Proportional. 29
A 1. 7 meter tall woman stands so that her shadow lines up with the shadow of the monument. Use the diagram to find the height of the monument. 30
Height of Monument 7. 6 m 31
What is 65% as a decimal? 32
. 65 33
Represent. 03 as a percent and as a fraction. 34
3% and 35
Express 78% as a fraction in simplest form. 36
78% = 37
Express. 6 as a percent and as a fraction in simplest form 38
. 6 = 60% and 39
Alberto is a waiter. If he waits on a table that has a bill of $110. 07, and the customers leave him a 15% tip, about how much was the tip Alberto received? 40
About $16. 50 41
Show a diagram representing the ratio of dogs to cats of: 3: 6 42
See the Diagram 43
A publisher estimates that 8 out of every 50 books published becomes a national best seller. What percentage of the books do NOT become national best sellers? 44
84% do NOT become best sellers 45
Express the fraction as a percent. 46
40% 47
An airline is trying to promote its new Boston to Atlanta flight. The usual price is $315. However, the airline is offering a 40% discount until the end of the month. How much will the flight cost after the discount? 48
Total AFTER discount = $189 49
I ordered a new recliner. I paid 30% of the total cost when I purchased it, and will pay the remainder once it is delivered. If I have paid $96, EXACTLY how much more do I owe? 50
I still owe exactly $224. 00 51
- Slides: 51
