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May 4, 2015

Homework Help: Algebra

Posted by cassie on Tuesday, October 11, 2011 at 7:44am.

1. A car travels 20 kilometers per hour faster than a second car. The first car covers 180 kilometers in the same time the second covers 135 kilometers. What is the average speed of each car?

2. The tens' digit of a two-digit number is one more than its units' digit. If the number is divided by the sum of the digits, the quotient. What is the number?

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