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The 1 copy makes the cost equivalent in two options and the cost of 1 copy is $41.

Step-by-step explanation:

The given information are that,

Elsa could use a printer in which it cost a $38 setup fee and $3 for each copy.

Elsa could go to a supply store in which it cost $36 up-front fee and $5 for each copy.

To find the same amount for certain number of copies in both the cases :

Let us assume that the number of copies be 'x'.

In the first case, the total cost will be = setup fee + cost for x copies.

⇒ Total cost = 38 + 3x

In the second case, the total cost will be = up-front fee + cost for x copies.

⇒ Total cost = 36 + 5x

To find the x value :

Equating the total cost of both the cases, we get

⇒ 38 + 3x = 36 + 5x

⇒ 38-36 = 5x-3x

⇒ 2 = 2x

⇒ x = 1 copy

Therefore, taking 1 copy make the two options equivalent in terms of cost.

The cost of 1 copy = 38+ 3(1) = 41 dollars.

Therefore, it would cost $41 for 1 copy.