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liraira [26]
2 years ago
11

A worker is to connect three equal sections of pipe. Each section is 6 2/3 metres in length, as shown below.

Mathematics
1 answer:
Ksivusya [100]2 years ago
5 0

The length of the connected section of the pipe is 20 meters

To solve this question, we are going to do addition of fractions. But we must first convert the fractions from mixed fraction to an improper fraction.

<h3>Conversion of Fraction</h3>

The given length are

  • 6 2/3
  • 6 (2/3)
  • 6 (2/3)

Convert these mixed fractions into improper fractions

6 \frac{2}{3}=\frac{20}{3}

Now let's add up 20/3 in 3 places since they are of equal length.

\frac{20}{3} + \frac{20}{3} + \frac{20}{3}=\frac{20+20+20}{3}=\frac{60}{3}=20

From the calculation above, the length of the connected section of the pipe is 20 meters.

Learn more on fractions here;

brainly.com/question/5243429

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Step-by-step explanation:

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The answer can be either -2 or +2 (which is just 2)

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What is the time it takes Sanjay to complete the puzzle? 6 hours

What is the time it takes Felipe to complete the puzzle? 8 hours


We can use the general formula of rate and time to solve this problem. Generally we have,

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<em>** where Work/Job for this problem is 1 since they are doing 1 work, which is solving a puzzle</em>


  • <u>Finding rate of Sanjay:</u>

R(6)=1\\R=\frac{1}{6}

  • <u>Finding rate of Felipe:</u>

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Working together, their rate is the sum,

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Using the general formula again, we can find the time it will take to solve the puzzle when both works together.

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Rounding the answer, we have 3.4 hours.


ANSWER: 3.4 hours


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