Question

A third of a number is 15​.

Ik the answer but I need to "show my work."

Answer 1

45

Explanation:

find the reciprocal of
`(1)/(3)`

the reciprocal is 3

so, 3×15 = 45

hope this helped :)

Answer 2

reverse the work. instead of x/3 equals 15 do 3x15 equals x. x is 45.