jazzyjas123 jazzyjas123

25-02-2015
Mathematics

contestada

The train travels 120 miles in 2 hours. How far will the train travel in 4 hours?

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pinkster104 pinkster104

26-02-2015

So 120/2 and x/4 p.s it can also be written 120/x = 2/4 depending on which way you like to solve proportions. Cross multiply 4· 120= 480 and 2·X= 2x Divide 480 by 2 and x= 240

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26-02-2015

120 miles - 2 hours
x miles - 4 hours
cross multiply:
[tex]2x=4 \times 120 \\ 2x=480 \\ x=\frac{480}{2} \\ x=240[/tex]

It will travel 240 miles.

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