SOLUTION: Daniel purchased a laptop for $1180 . Currently, 3 years later, the laptop is worth $805 .
Assuming that the value is changing linearly, estimate the value of the laptop 4 y
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Question 1093831: Daniel purchased a laptop for $1180 . Currently, 3 years later, the laptop is worth $805 .
Assuming that the value is changing linearly, estimate the value of the laptop 4 years from now (a total of 7 years after it was first bought).
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Plot time in yrs on the horizontal axis
Plot value of the laptop on the vertical axis
Let be the time in yrs when he bought it
Use general point-slope formula
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It will be worth $305
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check:
Does equation go through ( 3, 805 ) ?
OK
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