Asked by Lydiah
                The fourth term of an AP is 9 and the sum of the first ten terms is 60. Find the first term and the common difference.
            
            
        Answers
                    Answered by
            oobleck
            
    Use your AP formulas ...
a+3d = 9
10/2 (2a+9d) = 60
Now solve as usual.
    
a+3d = 9
10/2 (2a+9d) = 60
Now solve as usual.
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