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Emma bought 9 tickets to a concert. She paid a 4% service charge for buying them online. Her total cost was $430.56.
A. What equation can be used to model the total cost of the tickets?
B. What was the price of each ticket?
C. How much did Emma pay in service charges?

Respuesta :

430.56(.04) = 17.22

430.56-17.22 = 413.34

413.34 / 9 = 45.93

a)

y = 45.93x + .04(45.93x)

b)

$45.93

c)

$17.22