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60d+65n=2800 50d+45n=2150

60d+65n=2800 50d+45n=2150
asked 202k views
8 votes
60d+65n=2800
50d+45n=2150

asked
User Lalaluka
by
7.4k points

1 Answer

11 votes
From the second equation we can find that d=43-(9/10)*n
we can put this equation into the first one,
So we have equation 60(43-(9/10)*n)+65n=2800
Solving that we get n=20
60d+65*20=2800
d=25

So the answer is d=25 and n=20
answered
User Michael Garber
by
8.8k points
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