Answer: There are 96 students who attend Chess club on Wednesday.
Step-by-step explanation:
Since we have given that
Total number of students in challenger Middle school = 800
Percentage of students stay after school for chess club in Wednesday = 12%
So, Number of students who attend Chess club on Wednesday is given by

Hence, there are 96 students who attend Chess club on Wednesday.
Answer: 15
Step-by-step explanations inches in a foot
180 inches/12 inches = 15 feet
Answer:
F x=1/2
Step-by-step explanation:
Step-by-step explanation:
12 + 16 ÷ 4 × 5 - 8
12 + 4 × 5 - 8
12 + 20 - 8
32 - 8
24
The number of students in 5th grade is 60, since 24% of 250 is 60.
Since 90 is 38% if 250, 38 is going to be the percent of all students in sixth grade.
20% of 250 is 50, so the percent of all students in seventh grade is 50.
Finally, 45 is 18% of 250, so 18 percent of all students are in eight grade.
Hope this helped :)