If the five-year-old's mental age is also five, and the 60-year-old's mental age is 60, then they both have an IQ of 100: 5/5 x 100 = 100 (average IQ - on age level).
Booth was shot dead in a firefight with Union cavalry troops in a barn in the Virginia countryside on 26th April 1865, after having been on the run for 10 days.
The Death of John Wilkes Booth, 1865. Printer Friendly Version >>>. Fleeing the screaming pandemonium he has just created; John Wilkes Booth flings himself over the wall of the Presidential Box at Ford's Theater. Behind him lies an unconscious and dying President Lincoln, a .50 caliber bullet lodged in his brain.