Posted by mike on Wednesday, July 4, 2012 at 3:13pm.
The two longest rivers in the world are the Nile and the Amazon. Together, they are 8145 miles, with the Amazon being 145 miles shorter than the Nile. Find the length of each river.

math  Ms. Sue, Wednesday, July 4, 2012 at 3:18pm
Let x = the Amazon
x + x + 145 = 8145
2x = 8,000
x = 4,000

math  bobpursley, Wednesday, July 4, 2012 at 3:18pm
la=ln145
la+ln=8145
ln145+ln=8145
2*ln=8290
ln=...
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