Question

A man buys a backpack from a sporting goods

store. The backpack costs $20. Find the total
cost of the backpack if he lives in a county with a
7.5% sales tax.
Can you please help and explain how you got your answer

Answer 1

He would pay a total of $21.50

Explanation:

A trick that I learned is to take the zeros and decimals off. Then multiply. Ex) 75 × 2 =150. Take away the zero (15) and ad the decimal (1.5)

I'm not the best at explaining but I hope this helps