Question

What multiplies to 16 and adds to 18?

Answer 1

The number 8 is a multiple of 16,   2 x 8 = 16  . And the number 8 + 10 = 18

So, I would think it's 8.

Hope I was able to help you. :-)

Answer 2

Unfortunately, there are no two numbers that multiply into 16 AND add into 18. I'm sorry, but these are the only numbers that go into each.

Number That Add to 18:
0 + 18
1 + 17
2 + 16
3 + 15
4 + 14
5 + 13
6 + 12
7 + 11
8 + 10
9 + 9

Numbers That Multiply to 16:
1 × 16
2 × 8
4 × 4