Question

calcula en tu cuaderno
a) 1/2 de .......=15 b) 2/7 de ....=4
c) 2/3 de ..... =600 d)4/9 de ....=458

Answer 1

a) 1/2 X = 15       X = 30 
1/2 de 30 = 15


b) 2/7  x = 4        X = 4 x 7 / 2 = 14
2/7 de 14 = 4


c) 2/3 X = 600     X = 600 x 3 / 2 = 900
2/3 de 900 = 600


d) 4/9 X = 458     X = 458 x 9 / 4 =1030.5
4/9 de 1030.50 = 458