the correct answer is 120 days. You must analyze the relationship of people per house (10 people build 60 houses=6 houses per person over time span). 5 people would then build 30 houses in the exact same time frame.
15000
about 10,000
1009
24 hours per day.
how many hours does a dentist work per day?
how many messages per day can send in 160by2
about 1,365 flights per day
Four I believe.
60 minutes per hour * 24 hours per day = 1440 minutes per day
how many barrels of petroleum does norway produce per day
One or less per day.