Posted by Christopher on Wednesday, July 2, 2014 at 2:20pm.
The first three terms of an arithmetic progression are t, 2t1, 2t+4. Calculate the value of t.

Math  Reiny, Wednesday, July 2, 2014 at 2:53pm
To be an arithmetic progression,
(2t1)  t = (2t+4)  (2t1)
solve for t

Math  Nkganyamane, Tuesday, August 26, 2014 at 6:12am
2.5

Math  Ibyer, Wednesday, April 13, 2016 at 9:30am
(2t1)t=(2t+4) (2t1) 2t1t=2t+42t+1 collect like terms 2t2t+2t=4+1+1 2t=6 divide 2 both side 2t/2=6/2 t=3
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