If y = 14 when x = 18, how do you find x when y = 316?

1 Answer
May 7, 2018

x = ~406.29

Explanation:

y = 14 when x = 18; y = 316, what is x?

Create a proportion.

y/x 14/18 = 316/x

Cross multiply.

14x = 5688

Divide 5688 by 14 to isolate for x.

5688/14 = x

x = 406.28571428571