Shalika bought a purse for $120. The tax rate is 9%. Which proportion can be used to find the amount of tax Shalika will pay? A. 9/120=x/100 B. 120/x=100/9 C. x/120=100/9 D. 120/9=100/x

$120 is .........  100% of the price     x .................    9% of the price x represents tax money in dollars now we use cross-multiplication 120*9=x*100 we can divide both sides with x and with 9 and we get: 120/x = 100/9 Answer is B.