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  • 02-11-2015
  • Mathematics
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suppose p varies directly with d and p= 3 when d= 5. What is the value of d when p= 12

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  • 02-11-2015
d must equal 20 
when p=3, d= 5 and then p=12 which is an increase of 4 times therefore
when p=12, d= 5x4=20
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