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d is inversely proportional to c

when c = 280, d = 25

Find the value of d when c = 350

 

please explain 

Guest Aug 21, 2017

Best Answer 

 #1
avatar+26096 
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d is inversely proportional to c means that  d = k/c  where k is a constant.

 

Find the value of k by using the fact that d = 25 when c = 280:   25 = k/280  so k = 25*280 → 7000

 

Now when c = 350 we have  d = 7000/350 so d = 20

.

Alan  Aug 21, 2017
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1+0 Answers

 #1
avatar+26096 
+1
Best Answer

d is inversely proportional to c means that  d = k/c  where k is a constant.

 

Find the value of k by using the fact that d = 25 when c = 280:   25 = k/280  so k = 25*280 → 7000

 

Now when c = 350 we have  d = 7000/350 so d = 20

.

Alan  Aug 21, 2017

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