leeperstar07 leeperstar07

23-05-2020
Mathematics

contestada

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

Respuesta :

d1262087 d1262087

23-05-2020

Answer:

Answer is A

Step-by-step explanation:

Elisa, e = 11mins

Prenav, p = 13mins

time to finish, t

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

Answer Link

llanetchavez1324 llanetchavez1324

23-05-2020

Your answer is A 5.96 minutes

Answer Link

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