Question

If y = 3 ab + 2 b 3, what is y when a = 1 and b = 2

Answer 1

y =18

Explanation:

y = 3 × 1 ×2 + 2 ×2× 3

y = 6 + 12

y = 18

Answer 2

18

Explanation:

3 x( 1x2) = 6 plus...

2 x 2 x 3 =12

so 6 plus 12 is 18