At office Mart a box of 10 ballpoint pens cost $8 what is the unit piece A $0.80/pen B $1.25/pen C 1.25 pens /$1 D 0.80 pens/$1

1 answer

To find the unit price of one ballpoint pen, you divide the total cost of the box by the number of pens.

The cost of a box of 10 ballpoint pens is $8.

So,

\[ \text{Unit Price} = \frac{\text{Total Cost}}{\text{Number of Pens}} = \frac{8}{10} = 0.80 \]

Therefore, the cost per pen is $0.80.

The correct answer is A) $0.80/pen.

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