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Ken has pennies and half dollars in his piggy bank. 50% of the coins are half dollars. 75 coins are pennies. How many coins does Ken have altogether?
3 years ago

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Answered by Anonymous
he has n ccoins
.5 n are pennies
.5 n are half dollars
so
.5 n = 75 pennies
so
n = 150
3 years ago
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Ken has pennies and half dollars in his piggy bank. 50% of the coins are half dollars. 75 coins are pennies. How many coins does Ken have altogether?

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