Posted by DOn on Monday, April 16, 2012 at 12:37am.
if the red river is 500 miles longer than the blue river. if the sum of their lengths is 5550 miles what is the length of each river

algebra  Steve, Monday, April 16, 2012 at 10:45am
r = b+550
r+b = 5550
b+550 + b = 5550
2b = 5000
b = 2500
r = 3000