Question
Elyse collected 3 times as many marbles as Harry. After Harry collected another 80 marbles, both of them had an equal number of marbles. How many marbles did Elyse collect?
4 m

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Elyse collected 3 times as many marbles as Harry. After Harry collected another 80 marbles, both of them had an equal number of marbles. How many marbles did Elyse collect?