Asked by Ayo
if cost of hiring a van is partly constant and partly varies with the time spent. it cost 180 naira for the two hour hire and 450naira for a seven hours hire
Answers
Answered by
oobleck
c = a+bt
so,
a+2b = 180
a+7b = 450
so,
a+2b = 180
a+7b = 450
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