Question
Last weekend, George, his wife, his 19 year-old son and 17 year-old daughter visited the zoo. The admission fees are as follows:

Adult (above 12) $9
Child $7

How much did the family pay altogether?
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Last weekend, George, his wife, his 19 year-old son and 17 year-old daughter visited the zoo. The admission fees are as follows:

Adult (above 12) $9
Child $7

How much did the family pay altogether?