There are 20 students in a math class who have brown hair. this represents 80 percent of the students in the class. which equation can be used to find the total number of students in the math class? mc012-1.jpg mc012-2.jpg mc012-3.jpg mc012-4.jpg

The Answer is 25 students.

Step-by-step explanation:

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

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