It takes John 15 minutes to walk to the car park and 45 to drive to work. At what time should he get out of the house in order to get to work at 9:00 a.m.?
Pick:  A) 8:50 a.m  B) 8:00 a.m  C) 7:50 a.m  D) 6:50 a.m  E) 9:50 a.m
The time it takes John to get to work: time to walk to car park + time to drive     15 + 45= 
<gadget id="calculator">  15 + 45</gadget>
<output>60</output>
60 minutes= 1 hour   John needs to get out of the house 1 hour before 9:00 am at   9:00 - 1:00 = 8:00 a.m   correct answer 8:00 a.m
<result>B</result>
It takes John 15 minutes to walk to the car park and 45 to drive to work. At what time should he get out of the house in order to get to work at 9:00 a.m.?