Question

Set up a proportion and solve for unknown.

Sam spent $1.08 to make 18 copies at Office Max. At that rate, how much will he pay to make 40 copies?



John bought an iPad for $425. His total price was $450.50 when he checked out at the register. What percent sales tax did he pay?

Answer 1

Answer:

1. $2.4 2. 6 %

Step-by-step explanation:

for 40 copies ,

1.08 x 40 / 18 = $ 2.4.

sales tax is 450.50 - 425 = 25.5

percent sales = 25.5 / 425 x 100 = 6 %