SOLUTION: The sum of the first two terms of an arithmetic progression containing four terms is 110, and the sum of the last two terms is 190. a. Determine the first term. b. Obtain the co

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Question 1056501: The sum of the first two terms of an arithmetic progression containing four terms is 110, and
the sum of the last two terms is 190.
a. Determine the first term.
b. Obtain the common difference.
c. List all the four terms of the series
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
General term, A%2B%28n-1%29d.
A is first term of the progression, n is index, d is common difference.

system%28A%2B0%2Ad%2BA%2B1%2Ad=110%2CA%2B2d%2BA%2B3d=190%29

system%282A%2Bd=110%2C2A%2B5d=190%29