SOLUTION: River C is 100 miles longer than River D. If the sum of their lengths is 5,560 miles, what is the length of each river?
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Question 934385: River C is 100 miles longer than River D. If the sum of their lengths is 5,560 miles, what is the length of each river?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = length of river C
y = length of river D
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x + y = 5560
x = y + 100
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put the system of linear equations into standard form
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x + y = 5560
x - y = 100
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https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = length of river C = 2830 miles
y = length of river D = 2730 miles
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