Question

Which equation could you use to solve for x in the proportion 4/5=9/x

20 points!!!!!!

Answer 1

Explanation:

4/5=9/x

cross multiphication

x=9*5/4

x=45/4

Answer 2

4x=45

Explanation:

Cross multiply to get a simplified equation.

4/5=9/x

4x=45

x=11.25