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OpenStudy (anonymous):
A snail moves 4 metres along a straight line in 1 hour and in each succeeding hour 20% less than the preceeding one.find how far it goes.
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OpenStudy (anonymous):
no time limit????
OpenStudy (anonymous):
20 metres
OpenStudy (anonymous):
GP a= 4, r= 0.8 S=a/ (1-r) = 4/0.2
OpenStudy (anonymous):
= 4 x 5 =20
OpenStudy (anonymous):
thanks
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