exam Maths Puzzle Numerical Ability

log base 7 of x=-2

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exam Other Question

The function that realtes to the Cost($) of an oil well toits depth (x) in feet is as follows:


C(x)= -146,983 = 58.72*x
Find and interpret C(3500)



Thank you.
If 18% if apples in a barrel are overripe, how many overripe apples would you expect to find in a barrel of 250 apples?