方程60%x+48=75%x
问题描述:
方程60%x+48=75%x
答
60%x+48=75%x
0.6x+48=0.75x
0.15x=48
x=320
方程60%x+48=75%x
60%x+48=75%x
0.6x+48=0.75x
0.15x=48
x=320