Question
Olivia, Aria and Mason shared 2820 erasers. Olivia had 300 fewer erasers than Aria and four times as many erasers as Mason. How many erasers did Olivia have?
4 m

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Olivia, Aria and Mason shared 2820 erasers. Olivia had 300 fewer erasers than Aria and four times as many erasers as Mason. How many erasers did Olivia have?