Respuesta :

PSN03

Yo sup??

Let the length of river D be x

then the lenght of river C will be 200+x

but,

lenght of river C+lenght of river D=5580

x+x+200=5580

2x=5380

x=2690

Therefore lenght of river D is 2690 and that of C is 2890

Hope this helps
5580 minus 200 equals to 5380.
River D is 5380 divided by 2 which is 2690.
River C is 2690 plus 200 which is 2890.

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good job