In mark's class, there are 15 students with brown hair, 3 students with blonde hair, and 5 students with black hair. what is the ratio of students with brown hair to students with black hair?

3 : 1

Step-by-step explanation:

We know that the ratio of A to B is given by :-

or A : B .

Given : Number of students having brown hair = 15

Number of students having black hair = 5

Then , the ratio of students with brown hair to students with black hair will be  :-

Hence, the ratio of students with brown hair to students with black hair = 3 : 1.

solve systems of equations by graphing. a system of linear equations contains two or more equations e.g. y=0.5x+2 and y=x-2. the solution of such a system is the ordered pair that is a solution to both equations. to solve a system of linear equations graphically we graph both equations in the same coordinate system

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step-by-step explanation:

what do you mean by "representation"? graph? table? etc.