Question

If x is 90% of y, what percent of x is y?
a, 111,1
b, 190
e, 1900
d. 101.12​

Answer 1

Answer:

90% is equivalent to 9/10, so if x/y = 9/10, then y/x = 10/9 = 1 & 1/9 which is equivalent to 111 1/9 %. So y is 111 1/9 % of x. 434 ...