If 14 meters of ribbon cost $19, how much would 21 meters of ribbon cost?
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Answer : The cost of 21 meter of ribbon is, $28.5

Step-by-step explanation :

As we are given that, the cost of 14 meter of ribbon is $19.

Now we have to determine the cost of 21 meter of ribbon.

As, the cost of 14 meter of ribbon = $19

and, the cost of 1 meter of ribbon =

So, the cost of 21 meter of ribbon =

                                                        = $ 28.5

Therefore, the cost of 21 meter of ribbon is, $28.5

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: