Question

numerele a si b sunt direct proportionale cu 2 si 3.Cat la suta reprezinta diferenta lor din suma lor

Answer 1

a/2=b/3=k=>a=2k,b=3k
b-a=3k-2k=k
b+a=2k+3k=5k
5k.......1k
100k......xk
=>x=100/5
=>x=20%