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Mathematics 15 Online
OpenStudy (anonymous):

A jar contains 24 pennies. The pennies are taken out and divided into 2 piles. If the larger pile contains twice as many pennies as the smaller one, how many pennies are in the larger pile?

OpenStudy (mrnood):

if the piles contain x and y pennies you know 2 things: x + y = 24 x = 2y So can you solve that system?

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