"i am thinking of a number
3
_
4

of my number is 12
work out 5 times my number. you must show your working "

The number is 16.

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

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: the correct answer is 10step-by-step explanation: let the number be n, then the expression becomes,then“twelve more than the quotient of a number and two, decreased by four” iswhen n=4,we substitute 4 whetever we see n to get,we simplify to obtain,we further simplify to get,therefore the correct answer is c.

Ibelieve the answer is c