A square root of 17 in the denominatior
1/4 of the school is boys
1/2 of 1/4 is 1/8
2/3 of 3/4 is 5/12
1/4 of boys and 5/12 of girls are there
330 people are at the event
If 3/4 of the school is there, then there are 440 people in school
A and C are equivalent expressions.
10(2x+3) - 20
multiply 10 by 2x and by 3 to get
20x+30-20
subtract 20 to get
20x+10