What happend when the there was a kidnapping at bizarre middle school?

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

Find the quotient with the restriction.