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March 24, 2017

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Word Problems (Addition/Elimination Method).
Check if my answers are correct.

1.A girl bought 2 CDs and 3 DVDs for $92. Each DVD costs $4 more than the CDs. What is the price of each CD and DVD?
My answer: CDs- $16 and DVDs-$20

2.A boy bought 20 stamps, some for 30 cents and the rest for 20 cents. If he spent $5.50 on the stamps, how many did he buy of each one?
My answer: 30c stamps- 15, 20c stamps- 5

  • Algebra - ,

    #1 works: 32+60=92
    #2 works: 4.50+1.00=5.50

    nice work (I guess, since you don't show it, but you did get the right answers!)

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