gracietara gracietara 01-11-2016 Mathematics contestada Marshall bought some pet supplies for $15. The sales tax was 6%. He wrote the expression 1.06(15) to find his total cost. Which equivalent expression could he also use to find the total cost? 15 + 0.06 (1 + 0.06)15 15 + 0.6(15) 1 + 0.06(15)