The jurassic zoo charges $5 for each adult admission and $2 for each child. the total bill for the 81 people from a school trip was $237. how many adults and how
many children went to the zoo?
there were
adults and
children on the trip.

Children=52

Adults=25

Step-by-step explanation:

Total of children and adults is 81 so lets x be the adults and y be the children which in equation form can be written as

x+y=81    (Equation 1)

As Children are charged $2 per child and adults are charged as $5 per adult so total expenditure of both adults and children is $237 which in equation form can be written as

5x+2y=237      (Equation 2)

Extracting value of y from Equation 1

y=81-x (Equation 3)

Put value of y from Equation 3 in Equation 2

5x+2(81-x)=237

5x+162-2x=237

3x=237-162

3x=75

x=25

Putting value of x in Equation 3

y=81-25

y=56

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step-by-step explanation: