The number is 18
hope this helps
Percent of students brought their lunch from home is 100-24= 76%
So, total students are in the six grade is
190 x 100/76 = 250 students
The square root of 9 is 3
6 times because you find the common denominator which is 8 so 3/4 is 6/8. He needs to fill his cup 6 times.
A quotient of a number 21 is 3 and 63
Hope this helps!