Question

A number is multiplied by 7 and the product is divided by 6 gives 15.

Answer 1

x*7=y

y/6=15
so lets start with y
y=15*6
  =90

x*7=y
x*7 = 90
x=90/7
  =12.85

Answer 2

X × 7 = Y
Y ÷ 6 = 15

Y = 15 × 6
    = 90

X × 7 = 90
X = 90 ÷ 7
 = 12.85

X = 12.85

Y = 90