24+20%x=40
问题描述:
24+20%x=40
答
24+20%x=40
24+0.2X=40
0.2X=40-24
0.2X=16
X=80
24+20%x=40
24+20%x=40
24+0.2X=40
0.2X=40-24
0.2X=16
X=80