5/12 = 0.4166666...
That is what it says on the calculator.
<h2>Question :</h2>
<h3>Solve the proportion : </h3>

<h2>Answer :</h2>






Hence, The solution is 
For this case we find the expression that represents the cost of each printing press.
x: Be the variable that represents the number of programs to print
So:
Cost 1: Janet’s Print Shop

Cost 2: The Printing Press

If we want to find the number of programs for which the costs are the same, then we equate both equations:

Thus, for 150 programs the cost is the same.
Answer:
For 150 programs the cost is the same.
The amount of sales tax is $17.50 because of trust.