Question

A dog chases a squirrel. The dog is originally 200 feet away from the squirrel. The dog’s speed is 150 feet per minute. The squirrel’s speed is 100 feet per minute. How long will it take for the dog to get the squirrel?

Answer 1

Set up the equation as follows:


`150x = 100x + 200`

150x represents the dog's speed, 100x represents the squirrel's speed, and 200 represents the distance the squirrel has on the dog. x is the amount of minutes that elapse.

Subtract 100x from both sides.


`50x = 200`

Divide both sides by 50.


`x = 4`

It will take the dog 4 minutes to catch up with the squirrel.