I’m not a true percent sure but I think it’s C
Answer:3 minute
Step-by-step explanation:
Sakura speaks hungarian =150 words per minute
Sakura speaks polish =190 words per minute
and it is given she speaks 270 more words in polish than in hungarian
She speaks for a total of 5 minutes
let she speaks hungarian for t mins
therefore 
t=2 mins
therefore sakura speaks hungarian for 2 mins and polish for 3 mins
between 30 and 50 is approximately 40
-8r^5+23r^3-11r+17
Wasn’t Sure What It Was Asking So Hopefully That Works For You
Are you asking about the percent of change?if so the answer is 33.3%.