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GalinKa [24]
2 years ago
12

A man walks 10 km, then travels a certain distance by train and then by bus as far as twice by the train. If the whole journey i

s of 70km, how far did he travel by train?​
Mathematics
1 answer:
Nostrana [21]2 years ago
3 0

Answer:

The man traveled 20km by train.

Step-by-step explanation:

If x is the distance he traveled by train, you can write this equation to represent the situation:

10+x+2x=70

Then, you can simply solve for x:

10+3x=70\\3x=60\\x=20

The man traveled 20km by train.

10+(20)+2(20)=70\\10+20+40=70\\70=70

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