NY-7.RP.2.a

Decide whether two quantities are in a proportional relationship.

Example Problems
Apples are on sale for $3.12 per kilogram.

Is the total cost of the apples
proportional to the total mass?
The table shows a proportional relationship between x and y.

xy
41
82
123


What is the
constant of proportionality?
The table shows a proportional relationship between x and y.

xy
51
153
255


What is the
constant of proportionality?
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