Homework Help: Easy algebra

Posted by Mary on Sunday, February 3, 2013 at 3:21pm.

Mike is testing new batteries to determine if the batteries last as long as advertised. The actual life of one of the batteries was only 4 weeks, 2 days, and 13 hours even though the advertisement claimed it would last 3,000 hours.

What was the difference, in HOURS, between the advertised life of the battery and the actual life of the battery?

Easy algebra - Ms. Sue, Sunday, February 3, 2013 at 3:26pm
4 weeks >> 672 hours
2 days >> 48

672 + 48 + 13 =

Subtract the sum above from 3,000

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