Question

15 percent of what number is 12

Answer 1

12÷15<u /><em />=160
you have to divide 12 by 15 percent to get the missing number  

Answer 2

80
1/3 of 15= 5
1/3 of 12=4
15+5=20or 1/5
12+4=16
16=1/5
16x5=80