Question
Yoko had 50-cent and 5-cent coins in the ratio of 4 : 5. The total value of the coins was $18. How many 5-cent coins did Yoko have?
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Yoko had 50-cent and 5-cent coins in the ratio of 4 : 5. The total value of the coins was $18. How many 5-cent coins did Yoko have?