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29 August, 07:23

In 1990, a restaurant had a profit

Of $40,000. In 1998 the company has a profit of $64,000. Find the rate of change of the restaurants profit in dollars per year

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  1. 29 August, 08:10
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    So you want to be able to see the increase and the amount of time that the increase happened in so you subtract 40,000 from 64,000 and 1990 from 1998

    64,000-40,000 = 24,000

    1998-1990=8

    Now you have the profit increase and the number of years. Time is always your y value, and to find the rate of change you put your x over your y.

    24,000/8

    Now you have your rate of change as a fraction but that fraction can be simplified. To do this you divide x by y

    24,000/8 = 3,000

    Your rate of change is $3,000 per year.
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