SOLUTION: The problem states.. The value V in dollars, of a shopkeepers inventory software program is given by V= -20t + 250 where t is the # of years since the shopkeeper first bought the p

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Question 109875: The problem states.. The value V in dollars, of a shopkeepers inventory software program is given by V= -20t + 250 where t is the # of years since the shopkeeper first bought the program. After how many years is the value of the software $150?
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

V=+-20t+%2B+250
If +V = $150, then:
150=+-20t+%2B+250……..move -20t to the left, and 150 to the right
20t+=+250+-+150
20t+=++100..divide both sides by 20
t+=+5
the value of the software is $150 after +5 years