After the 15% sales tax the jeans were $21.50. How much did the jeans cost before the sales tax was added? Round to the nearest hundredth. Show work plz.

3.225

to check just find 10% of 21.50 (2.15) and 5% of 21.50(1.075)

the final price would be 29.6925

step-by-step explanation:

39.59 minus 25% equals 29.6925

b. would be the answer : )

step-by-step explanation:

step 1: add -16x to both sides.

16x−4y+−16x=64+−16x  

−4y=−16x+64

step 2: divide both sides by -4.

−4y /-4 = -16x + 64/-4

answer:   y=4x−16

hope i'm right