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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.

AWrite a function rule for the cost of n number of tickets.
BHow many tickets did the student order?

Please answer both, thankyou.

Verified Answer :

deleonsisi

2.50x+20=540
This student bought 208 tickeets

bcalle

y = 2.50n + 20n
y = 22.50n

540 = 22.50n Divide by 22.50
n = 24 tickets

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