Question

The Jurassic Zoo charges $7 for each adult admission and $4 for each child. The total...

The Jurassic Zoo charges $7 for each adult admission and $4 for each child. The total bill for 188 people from a school trip was $836. How many adults and how many children went to the zoo?

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Answer #1

Solution:

Let   the number of adults be    and the number of children be

Then , the charges for   adults and   the charges for   adults

By the given condition,

Also,

Multiply    by    and add

from

The number of adults is and the number of children is

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