On a Yardstick with Scales in Inches and Centimeters, You $\frac { 1 } { 3 }$

Multiple Choice

On a yardstick with scales in inches and centimeters, you notice that 11 inches is approximately the same length as 33 centimeters.Use this information to find a mathematical model that relates centimeters y to inches x.Then use the model to find the numbers of centimeters in 60 inches and 70 inches.(Round your answer to one decimal place.)

A) Model: y = $\frac { 1 } { 3 }$ x; 20 cm, 23.3 cm
B) Model: y = 3x; 180 cm, 23.3 cm
C) Model: y = 3x; 20 cm, 210 cm
D) Model: y = 3x; 180 cm, 210 cm
E) Model: y = $\frac { 1 } { 3 }$ x; 180 cm, 210 cm