Question

Think of a number :divide it by 4 and 9 to it 15. The number is​

Answer 1

Answer:

Think of a number, divide it by 4 and add 9 to it. If the result is 15, what is the number?

16. To find the answer one must do the sum in reverse.

Sum presented : ? ÷ 4 + 9 = 15

Sum in Reverse:

15 = ? ÷ 4 + 9

15 - 9 = ? ÷ 4

6 = ? ÷ 4

4 x 6 = ?

24 = ?

Therefore the missing value is 24