Question

解方程（1）60%x-1/5=5.2 (2)x-25%=3.75 (3)50%x+

Answer 1

（1）60%x-1/5=5.2

0.6x=5.2+0.2

0.6x=5.4

x=9

（2）x-25%=3.75

x=3.75+0.25

x=4

（3）50%x+3x/5=4.4

0.5x+0.6x=4.4

1.1x=4.4

x=4