Coin collector has 160. There are only 10-cent and 20-cent coins and they add up to $25. how many of each coin she have?

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Coin collector has 160. There are only 10-cent and 20-cent coins and they add up to $25. how many of each coin she have?

Science & Mathematics by Anonymous 2018-05-25 19:37:02

Social Science

Coin collector has 160. There are only 10-cent and 20-cent coins and they add up to $25. how many of each coin she have?

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Make sure you use stimultanous equations and show all working out to solve this question