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Answer:
![r = 35cm](https://tex.z-dn.net/?f=r%20%3D%2035cm)
Step-by-step explanation:
Given
![C = 220cm](https://tex.z-dn.net/?f=C%20%3D%20220cm)
![\pi = \frac{22}{7}](https://tex.z-dn.net/?f=%5Cpi%20%3D%20%5Cfrac%7B22%7D%7B7%7D)
Required
Determine the radius
Circumference (C) is calculated as:
![C = 2\pi r](https://tex.z-dn.net/?f=C%20%3D%202%5Cpi%20r)
Where r represents radius
Substitute values for C and ![\pi](https://tex.z-dn.net/?f=%5Cpi)
![220cm = 2 * \frac{22}{7} * r](https://tex.z-dn.net/?f=220cm%20%3D%202%20%2A%20%5Cfrac%7B22%7D%7B7%7D%20%2A%20r)
![220cm = \frac{44}{7} * r](https://tex.z-dn.net/?f=220cm%20%3D%20%20%5Cfrac%7B44%7D%7B7%7D%20%2A%20r)
Multiply through by 7/44
![\frac{7}{44} * 220cm = \frac{7}{44} * \frac{44}{7} * r](https://tex.z-dn.net/?f=%5Cfrac%7B7%7D%7B44%7D%20%2A%20220cm%20%3D%20%20%5Cfrac%7B7%7D%7B44%7D%20%2A%20%5Cfrac%7B44%7D%7B7%7D%20%2A%20r)
![r = \frac{7}{44} * 220cm =](https://tex.z-dn.net/?f=r%20%3D%20%5Cfrac%7B7%7D%7B44%7D%20%2A%20220cm%20%3D)
![r = \frac{7 * 220cm }{44} =](https://tex.z-dn.net/?f=r%20%3D%20%5Cfrac%7B7%20%2A%20220cm%20%7D%7B44%7D%20%3D)
![r = \frac{1540\ cm}{44}](https://tex.z-dn.net/?f=r%20%3D%20%5Cfrac%7B1540%5C%20cm%7D%7B44%7D)
![r = 35cm](https://tex.z-dn.net/?f=r%20%3D%2035cm)
<em>Hence, the radius is 35cm</em>
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3x-9=4
Step-by-step explanation:
Answer:
2/3
Step-by-step explanation:
Find the total amount of shirts: 6 + 8 + 4 = 18
Find the total amount of white and solid colored shirts : 8 + 4 = 12
Put the total amount of white and solid colored shirts over the total amount of shirts: 12/18
Simplify 12/18: 2/3