SOLUTION: The Jurassic Zoo charges ​$7 for each adult admission and ​$4 for each child.
The total bill for the 101 people from a school trip was $491.00.
How many adults
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Question 1056626: The Jurassic Zoo charges $7 for each adult admission and $4 for each child.
The total bill for the 101 people from a school trip was $491.00.
How many adults and how many children went to the zoo?
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
Let a be each adult admission, and y be each child. Then:
a+y=101
7a+4y=491;
4a+4y=404
3a=87
a=29
y=72
There were 29 adult admissions; and 72 child's. ☺☺☺☺
Addendum: If a+y=101, multiplying the whole equation by 4, we get 4a+4y=404!!!!☺☺☺☺
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