Which equation represents this statement?

The product of 1/5 and a number is equal to 1 1/2.

Responses

15÷n=1 1/2
fraction 1 over 5 end fraction divided by n equals 1 and 1 half

15−n=1 1/2
fraction 1 over 5 end fraction minus n equals 1 and 1 half

15+n=1 1/2
fraction 1 over 5 end fraction plus n equals 1 and 1 half

15n=1 1/2