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## #1 2016-10-08 07:59:55

### Mathematics Quiz Question.

# Mathematics Quizzes Mathematics

**Question:**

A train leaves the station at 10:45 p.m. and arrives at its destination at 2 a.m. the next day (without changing time zones). The train was stopped for 1/2 hour while it had engine trouble; the rest of the time, its average speed was 80 miles per hour. What total distance did the train travel?

**Option A):**

120 miles**Option B):**

240 miles**Option C):**

220 miles**Option D):**

260 miles**Option E):**

140 miles

**Correct Answer is Option C):**

220 miles

**Explanation:**

From 10:45 p.m. to midnight is 1 hour 15 minutes, and from midnight to 2 a.m. is another 2 hours. Thus, the train was moving for 3 hours 15 minutes minus the 30 minutes (1/2 hour) it was stopped, for a total of 2 hours 45 minutes. Two hours 80 miles per hour is 160 miles. Because 45 minutes is 3/4 of an hour, you need to add another 3/4 80 = 60 miles, giving you 220 miles.

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## 2016-10-08 07:59:55

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