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White raven [17]
3 years ago
15

A painter takes 2 3/5 hours to paint a wall. How many hours will the painter take to paint 8 walls if she works at the same rate

?
Mathematics
2 answers:
gizmo_the_mogwai [7]3 years ago
8 0

Answer:

20\frac{4}{5} hours.

Step-by-step explanation:

We have been given that a painter takes 2 3/5 hours to paint a wall. We are asked to find the time taken by painter to paint 8 walls.

To find time taken by painter to paint 8 walls, we will multiply time taken to paint one wall by 8 as:

\text{Time taken to paint 8 walls}=8\times 2\frac{3}{5}

First of all, we will convert our given mixed fraction into improper fraction as shown below:

2\frac{3}{5}=\frac{2\times 5+3}{5}=\frac{10+3}{5}=\frac{13}{5}

\text{Time taken to paint 8 walls}=8\times \frac{13}{5}

\text{Time taken to paint 8 walls}=\frac{8\times 13}{5}

\text{Time taken to paint 8 walls}=\frac{104}{5}

\text{Time taken to paint 8 walls}=\frac{20\times 5+4}{5}

\text{Time taken to paint 8 walls}=20\frac{4}{5}

Therefore, the painter will take 20\frac{4}{5} hours to paint 8 walls.

Naya [18.7K]3 years ago
7 0
2 3/5 X 8 = 20.8 hours

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