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02-07-2014
Mathematics

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The circumfrence of a ball is 60cm. The ball rolls 16.2m. How many times does the ball make one complete roll?

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iloveonedirection iloveonedirection

05-07-2014

[tex]1 roll=circumference[/tex]

[tex] \frac{distance}{circumference} =rolls[/tex]

[tex] \frac{16.2m}{60cm} =rolls[/tex]

[tex] \frac{(16.2*100)cm}{60cm} =rolls[/tex]

[tex] \frac{1620cm}{60cm} =rolls[/tex]

[tex]27 = rolls[/tex]

[tex]27times[/tex]

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