Answer:
110%
Step-by-step explanation:
just divide by 2
20/2 = 10
22/2 = 11
so x% of 10 = 11
1.10 just like the last problem
First choice, 25
200 times 1/8 = 200/8 = 25
25x + 100 = 11300
25x = 11200
448 = x
the certain number is 448
