Answer :
40%of 90 is 36 and 1/2 of 80 is 40 so 1/2 of 80 is bigger then 40% of 90
40 percent of 90 is smaller than 1/2 of 80
40% of 90= 40*90/ 100= 36
1/2 of 80= 80/2= 40
So 1/2 of 80 is bigger
