Question
Luke saved some five-cent coins and ten-cent coins in his tin can. The number of five-cent coins he saved is four times the number of ten-cent coins. If he had 4 ten-cent coins. how much was his savings in the tin can? (Give the answer in dollars.)
4 m

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Luke saved some five-cent coins and ten-cent coins in his tin can. The number of five-cent coins he saved is four times the number of ten-cent coins. If he had 4 ten-cent coins. how much was his savings in the tin can? (Give the answer in dollars.)