Q: 2. Salisbury High School decided to take their students on a field trip to a theme park. A total of 150 people went on the trip. Adults pay $45.00 for a ticket and students pay $28.50 for a ticket.

How many students and how many adults went to the park if they paid a total of $4770?

A: Given that A = adult tickets and S = student tickets.
A+S=150 OR A=150-S
45A+28.50S=4,770
45(150-S)+28.50S=4,770
6,750-45S+28.50S=4,770
-16.50S=4,770-6,750
-16.50S=-1,980
S=-1,980/-16.50
S=120 STUDENT TICKETS WERE SOLD.
150-120=30 ADULT TICKETS WERE [ SOLD.
PROOF:
45*30+28.50*120=4,770
1,350+3,420=4,770
4,770=4,770 ]

Expert answered|karenlohman|Points 90|

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