Question

s. X's expenditure is 25% more than Y's expenditure
whereas Y's expenditure is 40% less than Z's
expenditure. By what percentage is X's expenditure
less than Z's expenditure?​

Answer 1

Answer:

let xs expenditure be x

y exp is x/4

z-(40/100) *z=x/4

3z/5=x/4

5x/12=z

x*unknown/100=5x/12

unknown=500/12≈41.66%

Answer 2

Answer:

Step-by-step explanation: Assume the expenditure of z as 100.

Then the expenditure of y will be 60( 100-40).

then the expenditure of x = 60+15=75

% decrease in x expenditure to that of z=100-75=25