Answers by visitors named: Pls Help ASAP

Please help me, I am stuck on this question and it's due today, I would rlly appreciate if you could help.
I know the answer is 40% but I dont know if it is A or C
Pls help me on this, its due today, and I dont get it
Could you pls show me the work for it
Nvm ur right, could you pls help me with this one too? What Percent of 25 is 10? A. 10 = p x 25 ; 40% B. 10 = p x 25 ; 250% C. 25 = p x 10 ; 40% D. 25 = p x 10 ; 250%