Question
William has 5 mini-helicopters. Riordan has 8 more mini-helicopters than William. Bryan has 3 fewer mini-helicopters than Riordan. How many mini-helicopters do they have altogether?
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William has 5 mini-helicopters. Riordan has 8 more mini-helicopters than William. Bryan has 3 fewer mini-helicopters than Riordan. How many mini-helicopters do they have altogether?