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Nikitich [7]
3 years ago
10

100 POINT REWARD TO HELP WITH ANSWER FOR 15. !!! I’ll also mark brainiest!! Help

Mathematics
2 answers:
Sveta_85 [38]3 years ago
7 0

Answer:

solution: let us assume that the distance from town A to town B is 100 miles

65l.g 100=65 miles

t1= 1h

t2=35/v

total time=4tt2

(17 35/v) hr.

average speed=total distance/total time

50= 65+35/1+35

50=100/v+35

50/1=100v/v+35

answer is 35.

wlad13 [49]3 years ago
3 0

I'm using <= as "less than or equal to", and >= as "greater than or equal to".

Let x = speed

For a car, it has to be at least 45: x >= 45 and it has to be at most 65: x <= 65

When you put these two together you have

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