I think it is B
Hope this helps
Answer:
b) 2 hours and 35 minutes
I think it’s c or b but I’m not sure about it
Answer:
the first 1
Step-by-step explanation:
Answer:
(b) and (d)
Step-by-step explanation:
Given
See attachment for complete question
Required
Which group forms a rectangle of
![Length = 15](https://tex.z-dn.net/?f=Length%20%3D%2015)
![Width = 11](https://tex.z-dn.net/?f=Width%20%3D%2011)
First, calculate the area of the big rectangle
![Area = Length * Width](https://tex.z-dn.net/?f=Area%20%3D%20Length%20%2A%20Width)
![A_{Big} = 15 * 11](https://tex.z-dn.net/?f=A_%7BBig%7D%20%3D%2015%20%2A%2011)
![A_{Big} = 165](https://tex.z-dn.net/?f=A_%7BBig%7D%20%3D%20165)
Next, calculate the area of each rectangle A to E.
![A_A = 11 * 7](https://tex.z-dn.net/?f=A_A%20%3D%2011%20%2A%207)
![A_A = 77](https://tex.z-dn.net/?f=A_A%20%3D%2077)
![A_B = 2 * 11](https://tex.z-dn.net/?f=A_B%20%3D%202%20%2A%2011)
![A_B = 22](https://tex.z-dn.net/?f=A_B%20%3D%2022)
![A_C = 6 * 6](https://tex.z-dn.net/?f=A_C%20%3D%206%20%2A%206)
![A_C = 36](https://tex.z-dn.net/?f=A_C%20%3D%2036)
![A_D = 6 * 5](https://tex.z-dn.net/?f=A_D%20%3D%206%20%2A%205)
![A_D = 30](https://tex.z-dn.net/?f=A_D%20%3D%2030)
![A_E = 13 * 4](https://tex.z-dn.net/?f=A_E%20%3D%2013%20%2A%204)
![A_E = 52](https://tex.z-dn.net/?f=A_E%20%3D%2052)
Then consider each option.
(a) 3E + 2B
![3E + 2B = 3 * 52 + 2 * 22](https://tex.z-dn.net/?f=3E%20%2B%202B%20%3D%203%20%2A%2052%20%2B%202%20%2A%2022)
![3E + 2B = 156 + 44](https://tex.z-dn.net/?f=3E%20%2B%202B%20%3D%20156%20%2B%2044)
![3E + 2B = 200](https://tex.z-dn.net/?f=3E%20%2B%202B%20%3D%20200)
(b) A + B + C + D
![A + B + C + D = 77+22+36+30](https://tex.z-dn.net/?f=A%20%2B%20B%20%2B%20C%20%2B%20D%20%3D%2077%2B22%2B36%2B30)
(c) 2C + 2D + 2B
![2C + 2D + 2B = 2 * 36 + 2 * 30 + 2 * 22](https://tex.z-dn.net/?f=2C%20%2B%202D%20%2B%202B%20%3D%202%20%2A%2036%20%2B%202%20%2A%2030%20%2B%202%20%2A%2022)
![2C + 2D + 2B = 72 + 60 + 44](https://tex.z-dn.net/?f=2C%20%2B%202D%20%2B%202B%20%3D%2072%20%2B%2060%20%2B%2044)
![2C + 2D + 2B = 176](https://tex.z-dn.net/?f=2C%20%2B%202D%20%2B%202B%20%3D%20176)
(d) A + 4B
![A + 4B = 77 + 4 * 22](https://tex.z-dn.net/?f=A%20%2B%204B%20%3D%2077%20%2B%204%20%2A%2022)
![A + 4B = 77 + 88](https://tex.z-dn.net/?f=A%20%2B%204B%20%3D%2077%20%2B%2088)
![A + 4B = 165](https://tex.z-dn.net/?f=A%20%2B%204B%20%3D%20165)
(e) E + C + D + 3B
![E + C + D + 3B = 52 + 36 + 30 + 3 * 22](https://tex.z-dn.net/?f=E%20%2B%20C%20%2B%20D%20%2B%203B%20%3D%2052%20%2B%2036%20%2B%2030%20%2B%203%20%2A%2022)
![E + C + D + 3B = 52 + 36 + 30 + 66](https://tex.z-dn.net/?f=E%20%2B%20C%20%2B%20D%20%2B%203B%20%3D%2052%20%2B%2036%20%2B%2030%20%2B%2066)
![E + C + D + 3B = 184](https://tex.z-dn.net/?f=E%20%2B%20C%20%2B%20D%20%2B%203B%20%3D%20184)
Recall that:
![A_{Big} = 165](https://tex.z-dn.net/?f=A_%7BBig%7D%20%3D%20165)
Only options (b) and (d) match this value.
![A + B + C + D = 165](https://tex.z-dn.net/?f=A%20%2B%20B%20%2B%20C%20%2B%20D%20%3D%20165)
![A + 4B = 165](https://tex.z-dn.net/?f=A%20%2B%204B%20%3D%20165)
<em>Hence, options (b) and (d) are correct</em>