SOLUTION: it takes 2minutes for cater pillar to climb 1 foot . every time it climb 1 foot it fall back 6 inches how long it takes to climb 8 foots?
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Question 393189: it takes 2minutes for cater pillar to climb 1 foot . every time it climb 1 foot it fall back 6 inches how long it takes to climb 8 foots?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
If it gains in , but it loses each time , then it really only gains
every
.
There's per foot, and to climb
..... (2 min crawls)
............takes to climb
but, this is also possible:
if it falls back each time it reaches , then it will
never get past , and therefore never reach the top
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