# Algebra

A bought some carrots and apples for \$24.80. A carrot and an apple \$0.90 altogether. She bought more carrots than apples. The cost of the extra number of carrots was \$6.80. How many apples did A buy?

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1. 1C+1A=.90
nC+mA=24.80
(n-m)C=6.80
nC-MC=6.80
subtract second and last equation
0C+M(A+C)=18.00

But A+C=.90
M=18/.9=20
M is the number of apples

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