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jx1891 jx1891
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11 years ago
I'm going over Systems of Linear Equations: Substitution; Elimination, and need help with this one story problem.

A store sells cashews for $5.00 per pound and peanuts for $1.50 per pound. The manager decides to mix 30 pounds of peanuts with some cashews and sell the mixture for $3.00 per pound. How many pounds of Cashews should be mixed with the peanuts so that the mixture will produce the same revenue as would selling the nuts separately?
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#1
11 years ago
5. 00 - 3. 00 = 2

3 - 1.5 = 1.50  

now inverse the differences for cashew and peanuts that will be the ratio

Cashew : Peanuts = 1.50 : 2 or 3 : 4
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jubbajubba
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11 years ago
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