At 8 ​AM, a boy rides his bike due north from campus at 12 mph. One hour One hour ​later, another boy rides


#1

At 8 ​AM, a boy rides his bike due north from campus at 12 mph. One hour One hour ​later, another boy rides his bike due east from the same​ point, also at 12 mph. When will they be 60 miles​ apart

Answer:

this is a 3-4-5 right triangle (36-48-60) …

so, 4 hr after the 1st boy starts, they are 60 mi apart