The coordinate of the point that represents the number of pens that Keisha buys and the total cost is (2, 4)
The given parameters are
Number of pen = 2
Unit price = $2
This means that the total amount spent is
Total amount = Number of pen * Unit price
Evaluate the product
Total amount = 2 * 2
Evaluate the product
Total amount = 4
So, the coordinate of the point that represents the number of pens that Keisha buys and the total cost is (2, 4)
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