A clock shows the time as 9 a.m. If the minute hand gains 5 minutes every hour, how many minutes will the clock gain by 6 p.m.?
Pick.
A) 30 min	B) 35 min	C) 45 min	D) 50 min	E) 55 min

Rationale: "there are 9 hours in between 9 a . m . to 6 p . m . 9 * 5 = 45 minutes . answer : c"
Answer: C