Sunday
April 20, 2014

Homework Help: Algebra

Posted by Amy on Sunday, September 16, 2012 at 3:06pm.

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

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