Question
Last weekend, Andy, his wife, his 9 year-old daughter and 19 year-old son visited the concert hall. The admission fees are as follows:

Adult (above 12) $10
Child $4

How much did the family pay altogether?
2 m

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Last weekend, Andy, his wife, his 9 year-old daughter and 19 year-old son visited the concert hall. The admission fees are as follows:

Adult (above 12) $10
Child $4

How much did the family pay altogether?