Constant of Proportionality is Unit Rate

If a snail can move $$\frac{3}{10}$$  of a meter every $$\frac{1}{12}$$  of an hour, what is the speed of the snail in miles per hour?

Andrea drove $$20\frac{1}{2}$$  miles in 40 minutes. What is her unit rate in miles per hour?

Billy reads $$\frac{3}{8}$$  of a chapter of his history book in $$\frac{1}{5}$$  of an hour. At this rate, how many chapters of his history book can he read in one hour?

A speedboat travels 18 miles in 12 minutes. What is the speed of the speedboat in miles per hour? Type only the number of the answer.

(a)  

A bug crawled  $\frac{7}{10}$ mile in one day. How far will the bug travel in one week? Type only the numerical answer.

(a)  

Dante bought 15 pounds of metal for $36. Which choice shows metal that has the same unit cost as Dante's purchase?

The constant of proportionality is...

Identify the constant of proportionality.

If it's proportional, the multiplicative relationship IS the constant of proportionality.

In the equation y = 14x, what is the constant of proportionality? If it is proportional, the multiplicative relationship IS the constant of proportionality.

Is this equation representative of a proportional relationship?

y = 12x + 7