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Question

The value, V, in dollars, of a shopkeeper's inventory software program is given by V=-50t+200, where t is the number of years since the shopkeeper first bought the

program.

a) Solve for t in terms of V.

b) After how many years is the value of the software $100?

Answer 1

V = -50t + 200

v - 200 = -50t

(v-200)/-50 = t

100 = -50t + 200

0 = -50t + 100

50t = 200 - 100

50t = 100

t = 2