document.write( "Question 1157374: Birdseed costs ​$0.56 a pound and sunflower seeds cost ​$0.86 a pound. Angela​ Leinenbachs' pet store wishes to make a 40​-pound mixture of birdseed and sunflower seeds that sells for ​$0.75 per a pound. How many pounds of each type of seed should she​ use? \n" ); document.write( "
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Birdseed costs ​$0.56 a pound and sunflower seeds cost ​$0.86 a pound. Angela​ Leinenbachs' pet store wishes to make a 40​-pound mixture of birdseed and sunflower seeds that sells for ​$0.75 per a pound. How many pounds of each type of seed should she​ use?
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\n" ); document.write( "b + s = 40 --- total mix
\n" ); document.write( "56b + 86s = 40*75 ---- cost in cents
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