Question

dados a/2 =b/3 y a +b=20 hallar el valor de a y b

Answer 1

a/2 = b/3 = k

-> a=2k

-> b=3k

a+b=20. => 2k+3k=20. => 5k=20

k=20/5. k= 4

Si a =2k. => 2×4. => a=8

Si b =3k. => 3×4. => b=12