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the diameter of a small ball is 16 centimeters. This is 2 centimeters more than two fifths of the diameter of a large ball. What is the diameter of the large ball

Guest Dec 14, 2015
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the diameter of a small ball is 16 centimeters. This is 2 centimeters more than two fifths of the diameter of a large ball. What is the diameter of the large ball

 

Let the diameter of the large ball=D

2/5D+2=16

2/5D=16-2

2/5D=14 multiply both sides by 5/2

D=14 X 5/2

D=35cm-The diameter of the large ball.

Guest Dec 14, 2015

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