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aflati nr. a,b,c stiimd ca sunt i.p. cu 1/2 ; 1/4; si 1/6 , iar a+b+c =60
va rog frumos ajutati ma urgent !!!! dau corona orice vreti voi​


Răspuns :

a, b, c i. p. 1/2; 1/4; 1/6

a+b+c=60

_____________

a, b, c=?

___________

a/2=b/4=c/6=k

a/2=k => a=2k

b/4=k => b=4k

c/6=k => c=6k

2k+4k+6k=60

12k=60

k=5

=> a=10

b=20

c=30

Succes!