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Answer:
31.5 hours
Explanation:
<em>The given mixed fractions in hours above are the following:</em>
1. 6
2. 11
3. 13
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
= 6x4 = 24
- 24+1 = 25
= 6.25
Project A took 6.25 hours to finish.
- 11
= 11x2 = 22
- 22+1 = 23
= 11.5
Project B took 11.5 hours to finish.
- 13
= 13x4 = 52
- 52+3 = 55
= 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.
