Mr. Smitherly leaves Cedar Rapids at 8:00 a.m. and drives north on the highway at an average speed of 50 km per hour. Mr. Dinkle leaves Cedar Rapids at 9:00 a.m. and drives north on the same highway at an average speed of 70 km per hour. Mr. Dinkle will Choose the correct choice from the following options:	A) overtake Mr. Smitherly at 9:30 a.m.	B) overtake Mr. Smitherly at 10:30 a.m.	C) overtake Mr. Smitherly at 11:30 a.m.	D) be 30 miles behind at 9:35 a.m.	E) never overtake Mr. Smitherly
After one hour, Mr. Smitherly is ahead by 50 km.   Mr. Dinkle gains on Mr. Smitherly 20 km each hour.   2.5 hours after 9:00 a.m., Mr. Dinkle will catch Mr. Smitherly.   The answer is overtake Mr. Smitherly at 11:30 a.m..
<result>C</result>
Mr. Smitherly leaves Cedar Rapids at 8:00 a.m. and drives north on the highway at an average speed of 50 km per hour. Mr. Dinkle leaves Cedar Rapids at 9:00 a.m. and drives north on the same highway at an average speed of 70 km per hour. Mr. Dinkle will