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ira [324]
3 years ago
9

pleasee help me,A train travels from station P to station Q at a speed of 90km/h in 3hours 40minutes.The train stops at station

Q for 25minutes before returns to station P.The time taken from station P to station Q.Calculate the average speed,in km/h,of the whole journey of the train
Mathematics
1 answer:
nataly862011 [7]3 years ago
5 0
I think it may be that the train is going too fast zoom km 1600 km at the end
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Answer:

Step-by-step explanation:

39 cars every 3 hrs.......that means (39/3) = 13 cars every hr

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you can either do it that way....the unit rate way...OR

you can set it up as a proportion...

39 cars to 3 hrs = x cars to 7 hrs...

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3 years ago
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3 years ago
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2 years ago
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Alla [95]

Answer:

6

Step-by-step explanation:

75−3.5y−4y=4y+6

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75−3.5y−4y=4y+6

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Step 3: Subtract 75 from both sides.

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Step 4: Divide both sides by -11.5.

−11.5y

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=

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Hope this helps!

7 0
3 years ago
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