Answer: about 1 year
Step-by-step explanation:
Given : The time is takes to build a skyscraper is proportional to its height and inversely proportional to the number of construction workers.
Let T be the time and N be the number of works and H be the height.
Then,
Substitute the values , and , we get
Hence, it will take about 1 year for 80 workers to build a 60 story building .
Answer:
4 more gallons of paint
Interest from first account is :
Interest form second account is :
So, total interest is :
Therefore, total interest is $77.877 .
1,yes
2,no
3,x=√117
4,x=12 y=6
5,x=12, y=15.75