Claire can complete spring-cleaning in a house in 5 hours. Ruth can complete spring-cleaning in the same house in 7 hours. If Claire works for 1 hour alone and then Ruth joins her to finish the cleaning, what is the total time it takes to complete spring cleaning?
Please report your position 4 hours()advance.
They()for hours.
Vessels ramaining()a few hours should moor with anchors.
Since there are so many cars on the road, ______ many hours to complete a short journey at peak times in some major cites.
You are really incompetent! It ______ hours ago.
The film brought the hours back to me()I was taken good care of in that remote village.
Vessels lying afloat at buoys for more than 24 hours should use anchor chain for()and insurance wire for().
The cooling water temperature () over a period of 8 hours, and then shut down.
The Acme company has determined that during its busiest hours, the average number of internal VoIP calls across the WAN link is four (4). Since this is an average, the WAN link has been sized for six (6) calls with no call admission control. What will happen when a seventh call is attempted across the WAN link? ()