What percent of the classes have at least 23 students?

75%

Step-by-step explanation:

Box and whisker plots divide data into four sections, or quartiles.

The bar in the center of the box is the median of all the data. (In this case, that's 27.) The box represents the middle 50% of the data, and the whiskers represent the remaining two quartiles. So, since the box and one of the whiskers are above 23, 3 of the 4 quartiles of the data are above 23. That's 75%

the answer is d. 75%

37/3

step-by-step explanation:

step 1: simplify both sides of the equation.

7x+8(x+

1

4

)=3(6x−9)−8

7x+(8)(x)+(8)(

1

4

)=(3)(6x)+(3)(−9)+−8(distribute)

7x+8x+2=18x+−27+−8

(7x+8x)+(2)=(18x)+(−27+−8)(combine like terms)

15x+2=18x+−35

15x+2=18x−35

tep 2: subtract 18x from both sides.

15x+2−18x=18x−35−18x

−3x+2=−35

step 3: subtract 2 from both sides.

−3x+2−2=−35−2

−3x=−37

step 4: divide both sides by -3.

−3x

−3

=

−37

−3

x=

37

3