`[{(220% of 40)-10}]% of 20% of 500=`

40% of (100 - 20% of 300)=______

If 20% of x+40% of (x)/(2)+20% of 3x=100 , then find the value of x.

40% of 200-20% of 50_____________

40% of [ 100 – 20% of 300] is equal to

if 20% of a and 40% of b is 230 and 40% of a and 20% of b is 190 ,then b is what percentage more or less than a ?

The value of 20% of 40% of 100 is____.