Homework Help: Algerbra 1

Posted by Jessica on Thursday, February 10, 2011 at 11:18am.

Shane and Kate are preparing to go on long car trips with their families. Shane bought 8 books and 2 CDs for $73.60. Kate bought 3 books and 4 CDs for $69.85. Both totals were withour tax. All of the books were the same price and all of the CDs cost the same. How much did a book cost?

Algerbra 1 - bobpursley, Thursday, February 10, 2011 at 12:54pm
8B+2C=73.60
3B+4C=69.95

I would multiply the first equation by 2, then subtract equation 2 from the new 1.
Algerbra 1 - d, Friday, February 18, 2011 at 9:39am
4.50
Algerbra 1 - John, Thursday, December 29, 2011 at 4:32am
4.50

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