Mathematics, 29.10.2019 04:31 fespinoza019

10. 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 number of tickets. (b) how many tickets did the student order?

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10. event tickets cost $20 each. a student ordered some tickets online. there was a service charge o...