SOLUTION: river c is 400 miles longer than river d, if the sum of their length is 5,520 miles, what is the length of each river

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Question 859770: river c is 400 miles longer than river d, if the sum of their length is 5,520 miles, what is the length of each river
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Let x represent length of river d    

Question States*** river c is (x+400)

and

+%28x%2B400%29+%2B+x+=+5520mi

       2x = 5120mi

        x = 2560mi, length of river d   and river c is 2960mi 2560mi+%2B+400mi

CHECKING our answer***

  2560mi + 2960mi = 5520mi

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