Question

Think of a number ,divide it by 9 and add 9 to it ,if it results 27 the no. is = [a] 18 [b] 21 [c] 100 [d] 162

Answer 1

Let the number be x

x /9 + 9 = 27

Multiply the equation by 9

x + 81 =  243

x = 243 - 81 

x  = 162

The number is 162.

Answer 2

Step-by-step explanation:

x/9+9=27

x+81=243

x=243-81

x=162