The amount of sales tax charged is directly proportional to the amount of the purchase. anna pays $3.90 sales tax on a $60
purchase. what is the rate of the sales tax? what would the sales tax be on a $340 purchase?
3.5%; $11.19
5%; $17.00
6%; $20.40
6.5%; $22.10

6.5%; $22.10

step 1. subtract

$3.90-$60.00

step 2.

divide

$3.90÷ by the answer you get in step 1

step 3.

Convert answer into percentage by multiplying by 100

answer: 94

step-by-step explanation: 79+91+92+94+94 = 450 divided by 5 (since there are 5 number that are being added) = 90