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The volume of blood in a​ person's body is proportional to body weight. A person who weighs 70 pounds has approximately 2 quarts of blood. Estimate the number of quarts of blood in a person who weighs 90 pounds.Determine the proportion.

 Feb 2, 2017
 #1
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Estimate  .....between 2 and 3 qts

 

2/70  = 1/35

 

1/35 * 90  =

 

90/35  =

 

18/7 =

 

2 + 4/7  qts  ≈ 2.57 qts

 

 

 

cool cool cool

 Feb 2, 2017

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