Question

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Answer 1

Allison didn't drive at constant rate.

Step-by-step explanation:

We need to identify if time and distance have proportional relationship

A relationship is proportional if y/x = k

If x = time and y = distance and y/x is equal to constant then they have proportional relationship.

if x= 1, y=65 then k is:

y/x = 65/1 = 65

if x=2, y =120 then k is:

y/x = 120/2 = 60

if x=3,y=195 then k is:

y/x = 195/3 = 65

if x=4,y=220 then k is:

y/x = 220/4 = 55

if x=5,y=300 then k is:

y/x = 300/5 = 60

Since, y/x ≠ k i.e the ratio of y and x doesn't equal to the constant rate, so time and distance doesn't have proportional relationship.

So, Allison didn't drive at constant rate.

Keywords: Proportional Relationship

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