An arithmetic progression has 3 as its first term. Also, the sum of the first 8 terms is twice the sum of the first 5 terms. What is the common difference?

An arithmetic progression has 3 as its first term. Also, the sum of th

1.	An arithmetic progression has 3 as its first term. Also, the sum of the first 8 terms is twice the sum of the first 5 terms. What is the common difference?
A.	\(\dfrac34\)
B.	\(\dfrac12\)
C.	\(\dfrac14\)
D.	\(\dfrac43\)
Answer» B. \(\dfrac12\)

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