sgreenfield90 sgreenfield90

23-11-2017
Mathematics

contestada

ray is 23 years older than his sister Carol. In 20 years he will be twice as old as Carol. how old is each of them now

Respuesta :

23-11-2017

Ray is 23 years older than his sister carol."
r = c+23

"In 20 years he will be twice as old as Carol."
r+20 = 2(c+20)
(c+23)+20 = 2(c+20)
c+43 = 2c+40
c = 3
r = c+23 = 26

I hope that helped

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