Answer:
C
Step-by-step explanation:
Let me know if this is correct!
N-10 because you want to take 10 away from n
First find out what 10 percent of 50 is
Do 50/10
I got 5
Then do 5 times 9 to get your answer
You should get 45. Thanks (:
80%x + x = 216
0.8x + x = 216
1.8x = 216
x = 216/1.8
x = 120
hope this help
