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

question 89

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

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