Creating Equations and Inequalities Consecutive Number Problems Write

Creating Equations and Inequalities

Consecutive Number Problems �Write a list of consecutive numbers �Write a list of consecutive even numbers: �If the numbers are consecutive use: � 1 st number = � 2 nd number = � 3 rd number = �Etc �If the numbers are consecutive ODD or EVEN: � 1 st number = � 2 nd number = � 3 rd number = �etc

Example 1 �The sum of 3 consecutive even numbers add up to 1002. Find the three numbers. 1 st 332 nd 2 334 3 rd 336

Example 2 �The sum of 4 consecutive numbers add up to 4810. Find the four numbers. 1 st 1201 nd 2 1202 3 rd 1203 th 4 1204

Example 3 Jessica earned a 75 and 81 on her first two exams. What grade must she earn on the last exam to get an average of at least an 80 in the class?

Example 4 �The length of a rectangle is 6 cm. more than the width. The perimeter is 32 cm. Find the dimensions. 11 cm. by 5 cm.

Example 5 �Juan has no more than $50 to spend at the mall. He wants to buy a pair of jeans and some juice. If the sales tax is 4% and the juice with tax costs $2, what is the maximum price of jeans Juan can afford? x $46. 15

Example 6 �Silvia is saving to buy a laptop that costs $1, 100. So far she has saved $400. She makes $12 an hour babysitting. What’s the least number of hours she needs to work in order to reach her goal? x ≥ 58. 33 hours

Graphing Review y = mx + b

Graph y= 2 x+5

Graph y= -3 x+ 4