Question
Vaidev has 8 coins in his jar. They are either twenty-cent coins or ten-cent coins. What is the smallest possible amount of money in his jar when he has one or more ten-cent coins? Express your answer in dollars.
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Vaidev has 8 coins in his jar. They are either twenty-cent coins or ten-cent coins. What is the smallest possible amount of money in his jar when he has one or more ten-cent coins? Express your answer in dollars.