Chapter 8, Lesson 6


8-6.A divide decimals
Rewrite as a percent to the nearest tenth:

8-6.B use the percentage formula to find a rate or a base
Write and solve an equation that can be used to answer each question.
a.
What is the rate of discount if a coat originally priced at $180 is on sale for $150?
b. What is the amount of sales if, at a commission rate of 5.5%, a salesperson received $1410.75?

8-6.C write a percent proportion to find a rate or a base
Write and solve a proportion that can be used to answer each question.
a.
What is the rate of commission if the salesperson received $877.25 on sales totaling $15,950?
b. What is the amount of a purchase if, at a rate of 8%, the sales tax was $1.88?