-- A new building needs 140 windows the windows has already instaled 3 – InterviewSolution

1.

-- A new building needs 140 windows the windows has already instaled 35 windows if every windows take4 hours to instaled than how long will it take for him to instal the remaining windows?

Answer»

Answer:

420 hrs

Step-by-step explanation:

140-35=105

105×4=420

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