Sally can paint a room in 5 hours while it takes steven 7 hours to paint the same room. How long would it take them to paint the room if they worked together?

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Schmilblick asked Oct 12, 2023

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Sally can paint a room in 5 hours while it takes steven 7 hours to paint the same room. How long would it take them to paint the room if they worked together?

Mathematics
high-school

Schmilblick asked Oct 12, 2023

by Schmilblick

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15 votes

Answer:

2 hours and 55 minutes

Explanation:

1/5+1/7-=1/x

12/35=1/x

cross multiply

12x=35

35/12=2 hr 55 mins

Azpiri answered Oct 18, 2023

by Azpiri

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