Ken can walk 40 dogs in 8 hours.
How many dogs cSelect the recipe with the greatest amount of flour per serving. an Ken walk in 12 hours?

480

Step-by-step explanation:

40 dogs in 8 hrs 40*12=480

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have