The mechanics at giuseppe’s auto house specialize in changing fuel injection units and transmissions. last week, they changed 5 fuel injection units and 10 transmissions and billed 70 hours. this week, they changed 8 fuel injection units and 8 transmissions and billed 64 hours. let x represent the number of hours to change a fuel injection unit and y represent the number of hours to change a transmission.

what is the solution to the system that represents this scenario?

(5, 8)

(2, 6)

(4, 14)

(7, 8)