Concept explainers
(a)
Write an equation to represent this situation.
(a)
Answer to Problem 51SGR
The equation to represent this situation:
Explanation of Solution
Given:
Zita`s computer is depreciating at a rate of 3 % per year. She bought the computer for $1200. Concept Used:
Formula for depreciating at a rate r% is
Amount after t years:
A = amount accumulated
P = Principal
R = interest rate
N = compounding per period
T = number of period in years.
Calculation:
Amount after t years:
The equation to represent this situation:
Thus, the equation to represent this situation:
(b)
Find the computer`s value be after 5 years.
(b)
Answer to Problem 51SGR
The final value of the computer will be after 5 years $1030.48.
Explanation of Solution
Given:
Zita`s computer is depreciating at a rate of 3 % per year. She bought the computer for $1200. Concept Used:
The equation to represent this situation:
Calculation:
The equation to represent this situation:
The final value of the computer after 5 years: t = 5
Thus, the final value of the computer after 5 years will be $1030.48.
Chapter 9 Solutions
Algebra 1
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