Question
Jack saved some fifty-cent coins and five-cent coins in his tin can. The number of fifty-cent coins he saved is thrice the number of five-cent coins. If he had 7 five-cent coins. how much was his savings in the tin can? (Give the answer in dollars.)
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Jack saved some fifty-cent coins and five-cent coins in his tin can. The number of fifty-cent coins he saved is thrice the number of five-cent coins. If he had 7 five-cent coins. how much was his savings in the tin can? (Give the answer in dollars.)