Working alone, Elisa can sweep a porch in 11 minutes. Pranav can sweep the same porch in 13 minutes. How long would it take if t
hey worked together.
A. 5.96 Minutes
B. 5.86 Minutes
C. 5.21 Minutes
D. 4.87 Minutes
1 answer:
Elisa, e = 11mins
Prenav,p = 13mins
time to complete, t
1 = t( 1/11 + 1/13) = t (24/143)
t = 143/24 = 5.96min
Answer is A 5.96mins
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