The least common multiple of the three denominators is 16 because:
![4 \times 4 = 16 \\ 16 \times 1 = 16 \\ 8 \times 2 = 16](https://tex.z-dn.net/?f=%204%20%5Ctimes%204%20%3D%2016%20%5C%5C%2016%20%5Ctimes%201%20%3D%2016%20%5C%5C%208%20%5Ctimes%202%20%3D%2016%20)
Change the fractions so that each fraction has a denominator of 16.
![\frac{3 \times 4}{4 \times 4} = \frac{12}{16}](https://tex.z-dn.net/?f=%20%5Cfrac%7B3%20%5Ctimes%204%7D%7B4%20%5Ctimes%204%7D%20%3D%20%5Cfrac%7B12%7D%7B16%7D%20%20)
![\frac{7 \times 1}{16 \times 1} = \frac{7}{16}](https://tex.z-dn.net/?f=%20%5Cfrac%7B7%20%5Ctimes%201%7D%7B16%20%5Ctimes%201%7D%20%3D%20%5Cfrac%7B7%7D%7B16%7D%20%20)
![\frac{5 \times 2}{8 \times 2} = \frac{10}{16}](https://tex.z-dn.net/?f=%20%5Cfrac%7B5%20%5Ctimes%202%7D%7B8%20%5Ctimes%202%7D%20%3D%20%5Cfrac%7B10%7D%7B16%7D%20%20)
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![1. \frac{12}{16} \\ \\ 2. \frac{7}{16} \\ \\ 3. \frac{10}{16}](https://tex.z-dn.net/?f=%201.%20%5Cfrac%7B12%7D%7B16%7D%20%5C%5C%20%5C%5C%202.%20%5Cfrac%7B7%7D%7B16%7D%20%5C%5C%20%5C%5C%203.%20%5Cfrac%7B10%7D%7B16%7D%20)
Answer:
Step-by-step explanation:
Amount charges by plumber = £ 167.00
Call out fee = £ 18.50
Charge excluding the call out fee = 167 - 18.50 = £ 148.50
Total hours worked = 9 hours
Charge per hour = charge excluding the call out fee ÷ total hours
= 148.50 ÷ 9
= £ 16.50
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Answer: 9$
Explanation:
5 + 3 + 1 + x + 2 = 20
Subtract all those numbers
x = 9
5 + 3 + 1 + 9 + 2 = 20
20 / 5 = 4
I hope this helped!
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- Zack Slocum
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5+2w=l
2w+2l=130
2w+2(5+2w)=130
2w+10+4w=130
6w=130-10
w=120/6=20
l=5+2•20=45
Area=20•45= 900inches^2