Question

2/3 de ....... =1680 y 4/9 de ........ =1800

Answer 1

2/3 de ....... =1680
2x/3 = 1,680
2x = 5,040
x = 2,520

4/9 de ........ =1800
4x/9 = 1,800
4x = 16,200
x = 4,050

Answer 2

1) 2/3x= 1680
(1680*3)/2=x
5040/2=x
2520=x


2) 4/9x=1800
(9*1800)/4=x
16200/4=x
4050=x