Mathematics, 14.02.2022 14:00 copelandgarret9972

a The cost of a car service is partly constant and partly varies with the time it takes to do the work. It costs N3500 for a 5-hour service and N2900 for a 4-hour service, (a) Find the formula connecting cost, #C with time, T hours. (b) Hence find the cost of a 7-hour service.

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