Question

I brought a book and paid $1.80 in sales tax. If the tax was 8%, what was the cost of the book. How do I solve this problem?

Answer 1

0.08x = 1.80

x = 1.8/0.08

x = 22.50

Answer 2

0.08x=1.80
x=1.8/0.08
x=22.50

Answer 3

Thank you. But please explain