Of 400 people at the school carnival, 95% are students and the rest are teachers. a. how many students are at the school carnival? b. if 55% of the students at the school carnival are boys, how many are girls? c. how many teachers are at the school carnival? d. if 35% of the teachers are male and the rest are female, how many female teachers are at the carnival?

Hence, A) 380, B) 171, C) 20, D) 13

Step-by-step explanation:

Since we have given that

Total number of people at the school carnival = 400

Percentage of people who are students = 95%

A) Number of students are at the school carnival is given by

B)  if 55% of the students at the school carnival are boys, how many are girls?

Percentage of students who are boys = 55%

Percentage of students who are girls is given by

Number of girls is given by

C)  How many teachers are at the school carnival?

Percentage of people who are teachers are given by

Number of teachers at the school carnival is given by

D. if 35% of the teachers are male and the rest are female, how many female teachers are at the carnival?

Percentage of teachers who are male = 35%

Percentage of teachers who are female is given by

Number of teachers who are female is given by

Hence, A) 380, B) 171, C) 20, D) 13

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)