Solve the Problem. -The Value V, in Dollars, of a Shopkeeper's Inventory Software

Multiple Choice

Solve the problem.
-The value V, in dollars, of a shopkeeper's inventory software program is given by V = -30t + 250, where t is the number of years since the shopkeeper first bought the program. After how many years is the value of the Software $190?

A) 1 yr
B) 2 yr
C) 3 yr
D) 4 yr