select the best estimate for the distance traveled. 175 miles,310 miles,335 miles or 355 miles

Question

Traveling at an rate of between 50 and 60 miles per hour for 5 to 6 hours, select the best estimate for the distance traveled. 175 miles,310 miles,335 miles or 355 miles?

Answer 1

50 * 5=250

50*6=300

60*5=300

60*6=360

55*5.5=302.5

 

Three of the answers fall into 

The range of answers listed above.

You must definitely pin down the speed or time. The speed is definitely _____. The time is definitely _______. The OR isnt going to work