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

[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]