Mathematics, 22.09.2020 14:01 hi105

Roslan had a total of $50 in 10-cent coins,20-cent coins and 50-cent coins. The value of his 10-cent coins was 30% of the total value of all his coins. The value of his 20-cent coins was 28% of the total value of all his coins. What was the value of his 50-cent coins?

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Roslan had a total of $50 in 10-cent coins,20-cent coins and 50-cent coins. The value of his 10-cent...