Question

4分之3x+百分之5x=17.6

Answer 1

（1）3/4X+5%X=17.6

（3/4+1/20）X=17.6

4/5X=17.6

X=22

（2)X:0.75=5/6

X:3/4=5:6

6X=3/4*5

6X=15/4

X=15/4/6

X=5/8

(3)(1/2-1/3*75%)/0.25%

=1/4*400

=100