Answer:
220
Step-by-step explanation:
55 percentage of x = 121
so X = 220
as simple as that
Ok I’ll help give me on minute
Sorry if my English is bad i am German
Answer: 0.10
Step-by-step explanation:
0. 50=0.40+P( F ) - 0.20 0.50=0.40 +P ( F ) P ( F ) = 0.10