Supposed 6641

The snail is supposed to climb a wall 5 meters high, it rises 3 meters every day, but at night it falls 2 meters down. How many days will it climb the wall?

Correct answer:

n =  3

Step-by-step explanation:


3n-2(n-1) = 5

3·n-2·(n-1) = 5

n = 3


n = 3/1 = 3

n = 3

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