Mathematics, 01.04.2020 17:53 rpegler4

(2) The cost of a car service is partly constant and party varies with the time it takes to do the work it
costs $3500 for a 5 and half hour service and $2900 for 4 hour service, a)find the formula connecting
cost,$c with time, T hours. (b) Hence, find the cost of a 7 and half hour service.

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(2) The cost of a car service is partly constant and party varies with the time it takes to do the w...