Dog of a problem

Dog of a problem

Solve a problem using the constant of proportionality.

The YouTube video below shows an example of direct proportionality. As you watch the video, can you think of two quantities that are in direct proportion?

 

Copy and complete this table.

Seconds taken to eat the biscuits (s)

Number of biscuits (b)

What is the constant of proportionality between the number of seconds the dog takes to eat and the number of biscuits she eats?

Based on this constant of proportionality, how long do you think it would take the dog to eat 15 biscuits?

Check your answer in the video below:

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