mgmm2006 mgmm2006

15-10-2020
Mathematics

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Two trains leave the same station headed in opposite directions. After 4 hours the trains are 120 miles apart. If train A travels twice as fast as train B, how fast does train A travel?

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BigusBrainus BigusBrainus

15-10-2020

Answer:

80mph

Step-by-step explanation:

Firstly in a problem like this, I would divide 120 by 3, making 40. Now I knwo that I can use 40 and 80 because it adds up to 120 and 80 is double 40.

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