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May 26, 2015

Homework Help: Arithmetic Progression

Posted by Math on Monday, September 17, 2012 at 2:49am.

In an AP the 6th term is half the 4th term and the 3rd term is 15.

a. Find the fist term and the common difference.

b. How many times are needed to give a sum that is less than 65?

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