Here’s your answer lemme know if it’s not clear
Original equation is 
So,
and

If we compare this equation with the given options, we can easily find that this matches with the last one
with P = p/2.
Hence, correct option is
.
Answer:
Yes you are correct. 9/20 is correct.
Step-by-step explanation:
7
/10 - 1
/4 =
7 * 2 / 10*2
1 * 5 / 4 * 5 = 14
/20 -5
/20 =9
/20
Can you speak English??? if so i dont talk spanish