Question

ZAck bought a coat for $69.78. He paid with a $100.00 bill and received $26.73 in change. How much was the sales tax?

Answer 1

Steps
1)100-(69.78+26.73)=3.29
2)3.49= the money on tax
3)x=tax
69.78x=3.29
x=0.05
the sales tax is 5%