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Paladinen [302]
2 years ago
13

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

Mathematics
1 answer:
pishuonlain [190]2 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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I am having a hard time reading the letters, so I hope this makes sense.  I think that the numbers for the top triangles is given is 6 and 3.  That means that the scale factor from the little to the big is 2 and from the big to the little is 1/2.  It is the same for the bottom triangles.

Step-by-step explanation:

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