Solve the Problem $y = - 0.25 x + 2$ B) $y = 0.25 x + 0.5$

Multiple Choice

Solve the problem.

-When making a telephone call using a calling card, a call lasting 3 minutes costs $1.25. A call lasting 12 minutes costs $3.50. Let y be the cost of making a call lasting x minutes using a calling
Card. Write a linear equation that models the cost of making a call (y) lasting x minutes.

A) $y = - 0.25 x + 2$
B) $y = 0.25 x + 0.5$
C) $y = 0.25 x - 8.5$
D) $y = 4 x - \frac { 43 } { 4 }$