1. Find the percent of increase or decrease to the nearest percent. 1.) From 1 to 0.62 2.) From 162 to 177 3.) From 16 to 22 1 – 0.62 1.38= 38% D 177 – 162 162.09= 9% I 22 – 16 16.38= 38% I

2. Applications of Percents Lesson 8.6

3. To find Commission & Total pay: Commission rate (decimal) amount of sale = commission Total pay = commission + salary

4. To find Sales Tax & Total Cost Sales tax rate (decimal) amount of sale = amount of tax Total Cost = amount of sale + amount of tax

5. Lin earns a weekly salary of $110 plus a 6.5% commission on sales at a pizza store. How much would he make in a week if he sold $4300 worth of pizzas? Commission rate (decimal) amount of sale = commission.065 4300 = commission = $279.50 Total pay = commission + salary Total pay = $279.50 + $110 Total pay = $389.50

6. The sales tax rate in Ashley’s town is 5.75%. If she purchases 4 chairs for $124.99 each and an area rug for $659.99, how much sales tax does she owe? Sales tax rate (decimal) amount of sale = amount of tax.0575 $1159.95 = amount of tax = $66.70 4 124.99 = $499.96 1 659.99 = $659.99 Total purchase = $1159.95

7. Find the commission or sales tax to the nearest cent. Total sales: $12,000 Commission rate: 2.75% Commission rate (decimal) amount of sale = commission.0275 12,000 $330 = commission

8. Find the commission or sales tax to the nearest cent. Total sales: $26.98 Sales tax rate: 8%.08 26.98 $2.16 = sales tax Sales tax rate (decimal) amount of sale = amount of tax

9. Find the commission or sales tax to the nearest cent. Total sales: $125.50 Sales tax rate: 6.25%.0625 125.50 $7.84 = sales tax Sales tax rate (decimal) amount of sale = amount of tax How much would your total bill be? $125.50 + $7.84 = $133.34

10. Find the commission or sales tax to the nearest cent. Total sales: $895.75 Commission rate: 4.25% Commission rate (decimal) amount of sale = commission.0425 895.75 $38.07 = commission How much would your total pay be? $895.75 + $38.07 = $933.82