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aleksklad [387]
2 years ago
10

Pls helpful answer I will really appreciate

Health
1 answer:
Snowcat [4.5K]2 years ago
5 0

Answer:

31.5 hours

Explanation:

<em>The given mixed fractions in hours above are the following:</em>

1. 6\frac{1}{4}

2. 11\frac{1}{2}

3. 13\frac{3}{4}

First, let's convert them into improper fractions so we can get their <u>decimal values</u>. All you have to do is to <em>multiply the denominator to the whole number.</em> Then, <em>add the product to the numerator</em>. The sum will be the <em>improper fraction's numerator.</em><em> Copy the denominator.</em>

Let's solve.

  • 6\frac{1}{4} = 6x4 = 24
  • 24+1 = 25
  • \frac{25}{4} = 6.25

Project A took 6.25 hours to finish.

  • 11\frac{1}{2} = 11x2 = 22
  • 22+1 = 23
  • \frac{23}{2} = 11.5

Project B took 11.5 hours to finish.

  • 13\frac{3}{4} = 13x4 = 52
  • 52+3 = 55
  • \frac{55}{4} = 13.75

Project C took 13.75 hours to finish.

Now that we know their decimal values, we can now add them together.

  • 6.25+11.5+13.75 = 31.5 hours

The total time spent on all projects is 31.5 hours.

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