Kris received 31% of the vote for class president. If there are 77 in Kris's class, how many students voted for her?

Step-by-step explanation:

There are two ways of working this out-

Method 1 Direct proportion

100%= 77

1%=77/100

31%=77/100*31= 23.87

ROUNDED ANSWER= 24 STUDENTS

Method 2

31/100*77= 23.87

=24

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

happy to

pls mark as brainliest