Question

Daca a/2=b/5 , b/3=c/4 si a+b+c=410,determinati a,b,c. Va rog frumos ajutati-ma!!!!!!

Answer 1

a/2=b/5  a= 2b/5

b/3=c/4  c=4b/3

2b/5 + b + 4b/3 =410

6b+15b+20b = 15 x 410

41b = 15 x 410

b=150

a=60

c=200

a+b+c = 150+60+200=410