SOLUTION: Birdseed costs ​$0.68 a pound and sunflower seeds cost ​$0.98 a pound. Angela​ Leinenbachs' pet store wishes to make a 40​-pound mixture of birdseed and sun
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Question 1128473: Birdseed costs $0.68 a pound and sunflower seeds cost $0.98 a pound. Angela Leinenbachs' pet store wishes to make a 40-pound mixture of birdseed and sunflower seeds that sells for $0.82 per a pound. How many pounds of each type of seed should she use? Answer by ikleyn(52781) (Show Source):
Let x = pounds at 0.98.
Then pounds at 0.68 is the rest (40-x).
Your "money" equation is
0.68*(40-x) + 0.98x = 0.82*40.
Simplify and solve for x.
x = = (one click in my MS Excel) = 20.
Answer. 20 pounds and 20 pounds.