Resposta :
3/7 >>> 8400
2/5 >>>> x
8400*2/5= 16800/5= 3360
_____________________________
3/7 x= 3360
x= (3360/1)/(3/7)
x= 3360/1 * 7/3
x= 23520/3
x= 7840 litros.
2/5 >>>> x
8400*2/5= 16800/5= 3360
_____________________________
3/7 x= 3360
x= (3360/1)/(3/7)
x= 3360/1 * 7/3
x= 23520/3
x= 7840 litros.