SOLUTION: A baker purchased 11 lb of wheat flour and 13 lb of rye flour for a total cost of $17.19. A second purchase, at the same prices, included 13 lb of wheat flour and 13 lb of rye flou

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: A baker purchased 11 lb of wheat flour and 13 lb of rye flour for a total cost of $17.19. A second purchase, at the same prices, included 13 lb of wheat flour and 13 lb of rye flou      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1051864: A baker purchased 11 lb of wheat flour and 13 lb of rye flour for a total cost of $17.19. A second purchase, at the same prices, included 13 lb of wheat flour and 13 lb of rye flour. The cost of the second purchase was $18.59.
Find the cost per pound of the wheat flour and the rye flour.
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39621) About Me  (Show Source):
You can put this solution on YOUR website!
w, price for wheat flour
r, price for rye flour

Transcribe the first and the second purchases.
system%2811w%2B13r=17.19%2C13w%2B13r=18.59%29


BEGIN with Elimination Method but finish any way you want.
13w%2B13r-11w-13r=18.59-17.19




system%28w=0.7%2Cr=0.115%29

Answer by MathTherapy(10555) About Me  (Show Source):
You can put this solution on YOUR website!

A baker purchased 11 lb of wheat flour and 13 lb of rye flour for a total cost of $17.19. A second purchase, at the same prices, included 13 lb of wheat flour and 13 lb of rye flour. The cost of the second purchase was $18.59.
Find the cost per pound of the wheat flour and the rye flour.