91Ó°ÊÓ

In the following exercises, translate and solve. 84 is 35\(\%\) of what number?

In the following exercises, translate and solve. What percent of 120 is 81.6\(?\)

In the following exercises, solve. The nutrition label on a package of granola bars says that each granola bar has 190 calories and 54 calories are from fat. What percent of the total calories is from fat?

In the following exercises, solve. Jorge got a raise in his hourly pay, from \(\$ 19.00\) to \(\$ 19.76 .\) Find the percent increase.

In the following exercises, find (a) the sales tax (b) the total cost. The cost of a water heater is \(\$ 577 .\) The sales tax rate is 8.75\(\%\) of the purchase price.

In the following exercises, find the rate of commission. Ruben received \(\$ 675\) commission when he sold a \(\$ 4,500\) painting at the art gallery where he works. What was the rate of commission?

In the following exercises, find the sale price. Takwanna saw a cookware set she liked on sale for \(\$ 145\) off. The original price of the cookware was \(\$ 312\) .

In the following exercises, find (a) the amount of discount and (b) the sale price. Nga bought a microwave for her office. The microwave was discounted 30\(\%\) from an original price of \(\$ 84.90\) .

In the following exercises, find (a) the amount of the mark-up (b) the list price Manny paid \(\$ 0.80\) a pound for apples. He added 60\(\%\) mark-up before selling them at his produce stand. What price did he charge for the apples?

In the following exercises, solve the simple interest problem. Find the interest rate if \(\$ 2,898\) interest was earned from a principal of \(\$ 23,000\) invested for 3 years.