SOLUTION: Birdseed costs ​$0.69 a pound and sunflower seeds cost ​$0.99 a pound. Angela​ Leinenbachs' pet store wishes to make a 40​-pound mixture of birdseed and sunflower seeds tha

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: Birdseed costs ​$0.69 a pound and sunflower seeds cost ​$0.99 a pound. Angela​ Leinenbachs' pet store wishes to make a 40​-pound mixture of birdseed and sunflower seeds tha      Log On

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Question 1156046: Birdseed costs ​$0.69 a pound and sunflower seeds cost ​$0.99 a pound. Angela​ Leinenbachs' pet store wishes to make a 40​-pound mixture of birdseed and sunflower seeds that sells for ​$0.92 per a pound. How many pounds of each type of seed should she​ use?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x pounds of the $0.99 per pound sunflower seeds
40-x pounds of $0.69 per pound birdseeds

0.99x%2B0.69%2840-x%29=0.92%2A40
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0.99x-0.69x%2B0.69%2A40=0.92%2A40
%280.99-0.69%29x=0.92%2A40-0.69%2A40
x=%280.92%2A40-0.69%2A40%29%2F%280.99-0.69%29
highlight%28x=40%28%280.92-0.69%29%2F%280.99-0.69%29%29%29------continue from here...