If p and q vary directly and p is 30 when q is 6, determine q when p is equal to 9

- 70

this is the answer for you hope it

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step-by-step explanation:

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