3 years ago

An airplane flies 390 miles in 3/4 hour. what is its average speed in miles per hour

Mathematics

1 answer:

pishuonlain [190]3 years ago

8 0

Answer:

1,560mi/h

Step-by-step explanation:

390 miles in 15 minutes

X miles in 60 minutes

(Cross multiplication)

(390*60)/15 = 1560

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