Answer:
x = 40
Step-by-step explanation:
Since these are similar triangles we can use ratios
24-15 x-25
----------- = -----------
24 x
Using cross products
x ( 24-15) = 24 ( x-25)
9x = 24x -600
Subtract 24x from each side
-15x = -600
Divide by -15
-15x/-15 = -600/-15
x =40
