Question

If y is proportional to x, find the missing number.

A. 15
B. 12
C. 16
D. 18

HELPPP!!!!

Answer 1

C. 16

Explanation:

`(y)/(x) = (10)/(5) = (?)/(8) \\ (2)/(1) = (?)/(8)`

cross multiplying

`16 = ?`

so the missing number is 16

Answer 2

C. 16

Explanation:

5 is half of 10, so 8 should be half of the next number.