3.before the pandemic,liana can sanitize their guestroom in 45 minutes and gab, her brother,can do the same work in 30 minutes.how long will it take them to finish the same work if they work together?
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3.before the pandemic,liana can sanitize their guestroom in 45 minutes and gab, her brother,can do the same work in 30 minutes.how long will it take them to finish the same work if they work together?
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Answer:
75 mins or 1 hour and 15 mins.
Step-by-step explanation:
mark me as not brainloset haha
Answer:
20-25 mins
Step-by-step explanation:
in the question it doesn't mention that they clean two or more guestroom right?
so it might be they only clean in one room in different time ..beacause they have different speed of work as well. so if they helped each other cleaning the room the time they have well be half of the mins of their work last time