Question
Irene had $8.70 in coins. She had thrice as many 5-cent as 20-cent coins and 6 more $1 coins than 20-cent coins. How many coins does she have in total?
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Irene had $8.70 in coins. She had thrice as many 5-cent as 20-cent coins and 6 more $1 coins than 20-cent coins. How many coins does she have in total?