Question

X+30%X=52 X-10%x=27 20%x=24=40 2x-50%x=30

Answer 1

X+30%X=52

(1+30%)x=52

1.3x=52

x=52÷1.3

x=40

X-10%x=27

(1-10%)x=27

0.9x=27

x=27÷0.9

x=30

20%x+24=40

20%x=40-24

0.2x=16

x=16÷0.2

x=80

2x-50%x=30

(2-50%)x=30

1.5x=30

x=30÷1.5

x=20