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Allisa [31]
3 years ago
15

Please help. Will mark Brainliest to whoever gets it right! :)

Mathematics
2 answers:
levacccp [35]3 years ago
6 0

Answer:

A's average speed is 100. I did this same thing and passed my grade.

erma4kov [3.2K]3 years ago
6 0

Answer:

Step-by-step explanation:

To answer the question we must find the Time of B.

This should be easy considering the fact that we have are given the Distance and the Speed.

\frac{D}{S} = T

\frac{60}{40} = 1.5 hours or 1 hour and 30 minutes

Now, we know both routes that the same amount of time.

Now we know both routes take 1 hour and 30 minutes

Now we divide 90 by 1.5 to get our Speed for A

\frac{90}{1.5} = 60km/hr

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