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(52782)   (Show Source): You can put this solution on YOUR website!
.
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.

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There is entire bunch of lessons covering various types of mixture problems
    - Mixture problems
    - More Mixture problems
    - Solving typical word problems on mixtures for solutions
    - Word problems on mixtures for antifreeze solutions
    - Word problems on mixtures for dry substances like coffee beans, nuts, cashew and peanuts
    - Word problems on mixtures for dry substances like candies, dried fruits
    - Word problems on mixtures for dry substances like soil and sand
    - Word problems on mixtures for alloys
    - Typical word problems on mixtures from the archive
    - Advanced mixture problems
    - Advanced mixture problem for three alloys
    - OVERVIEW of lessons on word problems for mixtures
in this site.

Read them and become an expert in solution the mixture word problems.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic "Mixture problems".


Save the link to this online textbook together with its description

Free of charge online textbook in ALGEBRA-I
https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson

to your archive and use it when it is needed.



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