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19-01-2017
Mathematics

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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 number of tickets. (B) How many tickets did the student order?

Respuesta :

seanmunden seanmunden

19-01-2017

(20+2.5)x = cost

when x equals number of tickets

(20+2.5)24 = 540

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