Answer:
D 9 1/2
Explanation:
5/(a+3) = 3/(a-2)
We can use cross products to solve
5 * (a-2) = 3 * (a+3)
Distribute
5a - 10 = 3a +9
Subtract 3a from each side
5a -3a -10 = 3a -3a +9
2a -10 =9
Add 10 to each side
2a -10+10 = 9+10
2a = 19
Divide each side by 2
2a/2 = 19/2
a = 19/2
a = 9 1/2