用5000千克的花生仁榨油,一共榨出花生油2000千克,求花生仁的出油率.Fast!I can't wait!

问题描述:

用5000千克的花生仁榨油,一共榨出花生油2000千克,求花生仁的出油率.
Fast!I can't wait!

2000÷5000×100%
=0.4×100%
=40%

设出油率是x。
x×5000=2000
5000x =2000
x=2000÷5000
x=40%

出油率=2000/5000*100%=40%