Question

Your city has a sales tax rate of 4 %. If you just spent $28 on sales tax, how much were your purchases?

Answer 1

Sales tax rate = 4%

Sales tax amount = $28.

Above figures mean that $4 will be sales tax for $100 purchases.

So,

$28 will be sales tax for :

Purchases = $28 * $100 / $4

Purchases = $700

Answer 2

SOLUITION :

Sales tax rate = 4% = 0.04

Amount of sales tax = Amount of purchase * Sales tax rate

=> 28 = Amount of purchase * 0.04

=> Amount of purchase = 28 / 0.04

=> Amount of purchase = 700 ($) (ANSWER).