Problema Solution
Harry, Hannah and Howard are all going by train to London to watch the Olympics.
Hannah departs on the 2:15 pm train.
Harry's train journey takes 50% longer than Howard’s.
Harry departs on the 3:00pm train.
Howard leaves 20 minutes after Hannah and arrives at 3:25 pm.
When will Harry arrive?
4:25pm
4:15pm
3:00pm
3:25pm
Answer provided by our tutors
Hannah departs on the 2:15 pm train.
Harry's train journey takes 50% longer than Howard’s.
Harry departs on the 3:00pm train.
Howard leaves 20 minutes after Hannah and arrives at 3:25 pm.
20 minutes after 2:15 pm is 2:35 pm
Howard leaves at 2:35 pm and arrives at 3:25 pm thus he travels 50 minutes.
Harry's train journey takes 50% longer than Howard’s: 50% of 50 min is 0.50*50 = 25 min
Harry departs on the 3:00 pm train.
Harry will arrive 25 min after 3:00 pm that is 3:25 pm.