Answer:
Step-by-step explanation:
Set this up according to the Triangle Proportionality Theorem:

Cross multiply to get

and simplify to get

Get everything on one side of the equals sign and solve for x:
and

By the Zero Product Property,
x = 0 or 3x - 52 = 0 so x = 17 1/3
Answer:
183
Step-by-step explanation:
125+141+213+155+281=915
915 divided by 5=183