The office building is 48 floors high. Half of the floors have 18 windows each and half of the floors have 36 windows each. How
2 answers:
<u>Answer</u>:
1296 windows are present in the building
<u>Explanation:</u>
Given the office building is 48 floors high
Half of floors have 18 windows each
Then , half of floors = = 24 floors
Total windows on half of the floors, that is 24 floors
=
= 432 windows
Also, half of the floors have 36 windows each
Total windows on rest half floors (24 floors)
=
= 864 windows
Total windows = 432 + 864 = 1296 windows
Therefore, 1296 windows are present in the building
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The monthly payment on the mortgage is option C) $2537.44
<u>Step-by-step explanation</u>:
- Principal (P): $ 295,000
- Rate (r): 6.3% = 0.063
- Number of times compounded (n): 12months
15 years = 180
- Number of years = 15
The formula is A = P(1 + r/n)^nt
⇒ A = 295000(1+0.063/180)^(18015)
⇒ A = 295000(180.063/180)^2700
⇒ A = 295000 (1.00035)^2700
⇒ A = 758854.5
Interest = Amount - Principle
⇒ 758854.5 - 295000
⇒ Interest = 463854.5
∴ The monthly payment for 15 years = 463854.5 / (1512)
The monthly payment on the mortgage = 2576.9 (approximately option C)