Question
Eric and Rael had 72 mini-helicopters. After Eric gave 10 mini-helicopters to Rael, Eric had twice as many mini-helicopters as Rael. How many mini-helicopters did Eric have at first?
4 m

Click button first when a symbol is required. X

Eric and Rael had 72 mini-helicopters. After Eric gave 10 mini-helicopters to Rael, Eric had twice as many mini-helicopters as Rael. How many mini-helicopters did Eric have at first?