mulakalav mulakalav

15-04-2016
Mathematics

Answered

A grocer has two kinds of candies: one sells for 90 cents per pound and the other sells for 40 cents per pound. How many pounds of each kind must he use to make 100 pounds he can sell for 85 cents per pound?

Verified Answer :

Anonymous Anonymous

16-04-2016

\(100(.85)=x(.9)+(100-x)(.4)\)
\(85=.9x+40-.4x\)
\(45=.5x\)
\(x=90\)

Thus 90lbs of the 90 cent and 10lbs of the 40 cent.

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