" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
sea x la edad actual de lucia
sea y la edad actual de mariana : ????
x-16 = 2(y-16) ----> 2y - x = 16
x+y = 92
resolviendo las dos ecuaciones, tenemos
3y = 108 ----> y = 36 , x = 56