A) 4.7 min
B) 5.65 min
C) 5.28 min
D) 6.2 min
Correct Answer: C
Solution :
[c] \[Time\,=4.5\times \frac{5}{18}x+3.75\times \frac{5}{18}\times x=726\] \[12.5x+1.04x=726\] x = 317 sec = 5.28 minYou need to login to perform this action.
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