Question

Spirit of Australia, a hydroplane boat, made speed records by traveling 239 miles in 0.75 hours (45 minutes). What is its record- breaking speed?

Answer 1

the answer is 319 mph

Step-by-step explanation:

you do 239/.75 (45 minutes will get you a different answer)

Answer 2

Using the imperial system of measurement (in miles per hour):

239 miles per 0.75 hours
239 miles / 45 minutes = 5.3111 miles per minute
5.3111 miles per minutes X 60 minutes per hour = 318.67 miles per hour ~ 319 mph