Question

Determine the sum or difference in clock 12 arithmetic. (7 + 10) + (8 + 7)

A. 7

B. 8

C. 32

D. 2

Answer 1

First, solve the equation to one number, then divide by 12, the remained is your answer

Answer 2

ie. add 7+10+8+7

Answer 3

17+15= 32 ?
then 32 divdeed by 12 ?

Answer 4

and then take the remainder

Answer 5

i did ? but its not one of the answers above .

Answer 6

Ah, I told you wrong, you must need to add each group on number in brackets, divide it by 12 and then sum the results

Answer 7

So \[17 \mod 12 + 15 \mod 12\] where mod in this case means "divide by the following number and find the remainder"