Question

El 25% de la tercera parte de N es igual al 20% del 30% de 400. Calcula N

Answer 1

(1/4) (1/3) N= (1/5) (120)
N/12 = 24
N = 24.12
N = 288

Answer 2

400 * 30/100 = 120
120 * 20/100 = 24
(N/3)*25/100 = 24
25N/300 = 24
25N = 300*24
25N = 7200
N = 7200/25
N = 288

                                               ..............Kd