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Working alone, Elisa can sweep a porch in 11 minutes. Pranav can sweep the same porch in 13 minutes. Find out how long it would take them if they worked together. A) 5.96 minutes B) 5.21 minutes C) 5.86
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Working alone, Elisa can sweep a porch in 11 minutes. Pranav can sweep the same porch in 13 minutes. Find out how long it would take them if they worked together.

A) 5.96 minutes
B) 5.21 minutes
C) 5.86 minutes
D) 4.87 minutes

User Mauris
by
5.4k points

2 Answers

3 votes
Your answer is A 5.96 minutes
User ElefantPhace
by
5.3k points
2 votes

Answer:

Answer is A

Explanation:

Elisa, e = 11mins

Prenav, p = 13mins

time to finish, t

1 = t( 1/11 + 1/13) = t (24/143)

User Secreal
by
6.0k points
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