Question

The following conversion was done correctly 3 miles 1 hour 1 hour 60 minutes 5250 feet. 12 inches I mile 1 foot What were the final units for this conversion? a) minutes per foot b) minutes per inch c)feet per minute d) inches per minute

Answer 1

3 miles/1 hour * 1 hour/60 minutes * 5,280 feet/1 mile * 12 inches/foot

We eliminate in the numerator: miles - hour - feet

We eliminate also in the denominator : hour - mile - foot

Then we just have inches/minute (inches per minute)

Now you can select the correct answer!