Question

The pair of values below is from a direct variation. Find the missing value.

(3,8),(18,y)
y= ?

Answer 1

the missing value is y = 48.

Explanation:

In a direct variation, the ratio of the two variables remains constant. We can use this fact to find the missing value y:

y / 18 = 8 / 3

To solve for y, we can cross-multiply:

y = 18 * 8 / 3

y = 48

Therefore, the missing value is y = 48.