Question

A roll of plastic electrical tape costs $2.79. If the sales tax rate is 5%, then how much sales tax is being charge? What is the total cost for the tape including tax?

Answer 1

1-

2.79 ----- 100

x ------------ 5

x= 2.79 * 5/ 100= 0,135

2- 0,135 + 2,79= 2,925

Answer 2

2.93

Explanation:

5% in decimal form is 0.05

If 5% is being added, that means that the item will be 105% its original price, which is equal to 1.05

2.79 x 1.05 = 2.93