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Event tickets cost $20 each. A student ordered some tickets online. There was a service charge of $2.50 per ticket. The total cost was $540. (A) Write a function rule for the cost of n number of tickets.
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Event tickets cost $20 each. A student ordered some tickets online. There was a service charge of $2.50 per ticket. The total cost was $540.

(A) Write a function rule for the cost of n number of tickets.
(B) How many tickets did the student order?
Please answer both, thankyou.

User Ryan Olson
by
6.0k points

2 Answers

5 votes
y = 2.50n + 20n
y = 22.50n

540 = 22.50n Divide by 22.50
n = 24 tickets
User ZLMN
by
6.2k points
6 votes
2.50x+20=540
This student bought 208 tickeets
User NKandel
by
6.6k points
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