Answer:
x = 12
Step-by-step explanation:
1. Set up a proportion:
32 (32 + x)
------ = ------------
24 (24 + 9)
2. Cross-multiply & solve for x:
32*(24 + 9) = 24*(32 + x)
1056 = 768 + 24x
288 = 24x
12 = x
