seronjones seronjones

18-11-2014
Mathematics

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9 miles is approximately equal to 16 km. How many km are equal to 63 miles? How many miles are equal to 48 km?

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iloveonedirection iloveonedirection

26-11-2014

[tex]\frac{9}{16}= \frac{63}{x} \\ 9x=1008 \\ x=112[/tex]

112 km = 63 miles

[tex]\frac{9}{16}= \frac{x}{48} \\ 432=16x \\ x=27[/tex]

27 miles = 48 km

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