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Solve Assume the Exercise Describes a Linear Relationship $1.30\$ 1.30 a Call Lasting 14 Minutes Costs

Question 201

Multiple Choice

Solve. Assume the exercise describes a linear relationship.
-When making a telephone call using a calling card, a call lasting 4 minutes costs $1.30\$ 1.30 . A call lasting 14 minutes costs $3.30\$ 3.30 . Let yy be the cost of making a call lasting xx minutes using a calling card. Write a linear equation that models the cost of making a call lasting ×\times minutes.


A) y=0.2x10.7y = 0.2 x - 10.7
B) y=5x18710y = 5 x - \frac { 187 } { 10 }
C) y=0.2x+2.1y = - 0.2 x + 2.1
D) y=0.2x+0.5y = 0.2 x + 0.5

Correct Answer:

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