Question

"I am thinking of a number

3
_
4

Of my number is 12
Work out 5 times my number. You must show your working "

Answer 1

12/3=4 And 4 times 4 equals 16. Therefore, your number is 16. And 16 multiplied by five equals 80.

3
16
*
5
__

80

Answer 2

The number is 16.

I know this cause 4 can go into 16 four times. I now do 4 x 3 which is 12