Question
PSLE
Usha had mini-helicopters for sale. In the morning, she sold 27 of the mini-helicopters. In the afternoon, she sold 15 of the remaining mini-helicopters. After that, there were 64 mini-helicopters left. How many mini-helicopters did Usha have at first?
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PSLE
Usha had mini-helicopters for sale. In the morning, she sold 27 of the mini-helicopters. In the afternoon, she sold 15 of the remaining mini-helicopters. After that, there were 64 mini-helicopters left. How many mini-helicopters did Usha have at first?