Question

有甲,乙两桶油共重96千克,把甲桶中油重量的五分之四倒入乙桶,这时甲桶油的重量正好是乙桶油重量的七分...

Answer 1

设甲桶为x千克,乙桶为（96-x）千克.

7*(x-0.8x)=（96-x）+0.8x

7x-5.6x =96-0.2x

1.4x =96-0.2x

1.6x =96

x =60

答：甲桶60千克,乙桶36千克