Problema Solution
Two criminals are driving Porsches in opposite directions after a failed attempt to rob Fort Knox. Mr. Criminal 1 is driving 25 MPH faster than Mr. Criminal 2. After 3 hours they are 500 miles apart. How fast was each of them going?
Answer provided by our tutors
Criminal1 speed = a+25 MPH
Criminal2 speed = a MPH
Opposite directions for 3 hours 500 miles => 500 = 3(a+a+25) = 6a + 75 => 425 = 6a => a = 70.833 MPH
=>Criminal1 speed = 95.33 MPH
Criminal2 speed = 70.833 MPH