SOLUTION: A clown is preparing for a party by inflating one balloon for every invited guest. Just when she has half of the necessary balloons inflated, 3 pop. She inflates 5 more, and 2 pop

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Question 518968: A clown is preparing for a party by inflating one balloon for every invited guest. Just when she has half of the necessary balloons inflated, 3 pop. She inflates 5 more, and 2 pop. Then 6 are carried away by the wind. She finishes by inflating 16 more, and then learns that only 12 guest will attend. How many extra balloons did the clown inflate?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
1/2x=3+5-2-6+16=16
x=32
32-12=20 extra balloons