SOLUTION: Dwayne has a newspaper route for which he collects "k" dollars each day. From this amount he pays out "k/3" dollars per day for the cost of the papers, and he saves the rest of th

Question 495140: Dwayne has a newspaper route for which he collects "k" dollars each day. From this amount he pays out "k/3" dollars per day for the cost of the papers, and he saves the rest of the money. In terms of "k", how many days will it take Dwayne to save $1000?
Thanks for your help!
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Dwayne has a newspaper route for which he collects "k" dollars each day.
From this amount he pays out "k/3" dollars per day for the cost of the papers, and he saves the rest of the money.
:
We can say it cost him 1/3 of the money he takes in, therefore
= "the rest of the money"
:
In terms of "k", how many days will it take Dwayne to save $1000?
Let d = no. of days to accomplish this
d(k) =
Invert the dividing fraction and multiply
d(k) = 1000 *
d(k) +
Reduce fraction
d(k) + ; days to save $1000

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