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3 years ago

11

3/5 of a fence was installed in 1 1/2 days. how many days to install the whole fence?

2 answers:

Andreyy893 years ago

7 0

First, let's convert the mixed number 1 1/2 to the improper fraction 3/2. We're given that it takes 3/2 days to install 3/5 of a fence. We're looking for how long it takes to install one whole fence - or 5/5 of a fence. To determine that, let's first find out how long it takes to install <em>1/5 of a fence</em>, and then multiply that quantity by 5 to obtain our answer.

If it takes 3/2 days (3 half-days) to install 3/5 of a fence (3 fifths of a fence), then it makes sense that it would take <em>1/2 </em><em>day</em> (<em>1 </em>half-day) to install <em>1/5</em> of a fence (<em>1 </em>fifth of a fence).

If it takes 1/2 day to install 1/5 of a fence, then it should take 5 times that amount of time to install all 5/5 of it, or 5 * (1/2) = 5/2 days, or 2 1/2 days as a mixed number.

Crank3 years ago

3 0

It will take 2 1/2 days to install the whole fence

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