Aneesha travels at a rate of 50 miles per hour. Morris is traveling 3 feet per second less than Aneesha. Which is the best estimate of the speed Morris is traveling?
A reasonable estimate of Morris's speed would be
The phrasing of the question implies that there should have been a list of values to choose from but no such list was provided.
If we round this down to
then we have an estimated speed difference of
So Morris is travelling at approximately
or at approximately
As a point of interest, using a spreadsheet to calculate the difference in traveling at 60 miles per hour versus 58 miles per hour gave a value of