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Walnuts cost $10 per pound and peanuts cost $5 per pound. How many pounds of peanuts would be needed for a 40 pound mixture that sells for $7.75 per pound?
How would I set this up in a system of equations again??
 one year ago
 one year ago
Walnuts cost $10 per pound and peanuts cost $5 per pound. How many pounds of peanuts would be needed for a 40 pound mixture that sells for $7.75 per pound? How would I set this up in a system of equations again??
 one year ago
 one year ago

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LoujoelouBest ResponseYou've already chosen the best response.0
This is what I think it is 10x+5y=7.75 x+y=7.75
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
x + y = 40 I think..
 one year ago

LoujoelouBest ResponseYou've already chosen the best response.0
Okay I wasn't so sure if it was that or x+y=40. Thx I"ll try it out to see if I get an answer from my choices :)
 one year ago

waterineyesBest ResponseYou've already chosen the best response.1
Their mixture is 40: So: x + y = 40 10x + 5y = 7.75 It is better to divide second equation by 5 first: 2x + y = 1.55 Now you have to just subtract them..
 one year ago

LoujoelouBest ResponseYou've already chosen the best response.0
Tyvm :) I got y=18 and x=22
 one year ago

LoujoelouBest ResponseYou've already chosen the best response.0
y=peanuts ; x=walnuts
 one year ago
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