Posted by shell on .
I need help setting up this problem or atleast if I am on the write track to solving it.
The Jurassic Zoo charges $28.00 for each adult admission and $12.00 for each child. The total bill for 454 people from a school trip was $3860.00. How many adults and how many children went to the zoo?
this is what I have so far
a+c=454
28(454c)+12c=3860

Polynomials math 
Reiny,
your equation is correct according to your information, but the solution for c obviously has to be a positive whole number
I get c = 553.25
besides having a "partial child" there would then have be a negative number of adults.
(with the 454 being all children would already cost $5448)
Check your typing or read the question again.