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10 questions from this quiz
Replacing variables with actual numbers
C=ax+byC = ax + byC=ax+by
Build an expression for 1st variable
2x2x2x dollars
Add the two expressions together
If x=0x=0x=0 and y=0y=0y=0, cost should be zero
0.75 USD
Two decimal places
33.6 USD
What varies in the problem
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