Nylah spent $16.72 on 12 ice cream bars. Her cost included $1.24 sales tax. How much did each ice cream bar cost?
if you use a calculator its easy
16.72 - 1.24 = 15.48
15.48 divided by 12 is 1.29
for sales tax 1.24 divided by 12 is .10
so for each one She spent $1.39