s26546184 s26546184

14-07-2016
Mathematics

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If a sprinkler waters 1 over 8 of a lawn in 1 over 4 hour, how much time will it take to water the entire lawn?

Respuesta :

14-07-2016

It will take you 2 hours.
Here's how....
Set up the problem as a proportion, bearing in mind that ....
1/8 = .125 (of the whole yard)
1/4 = .25   (of an hour)
1 =   the whole yard

.125 1
------ =   -----
.25    x

.125x = .25
   x = 2

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