find the unit price $109 for 3 phones. Round if needed

109 / 3 = $36.33

To find the unit price, you divide the total price by the number of items. In this case, you divide $109 by 3 phones.

Unit price = Total price / Number of items

Unit price = $109 / 3

To calculate this, divide 109 by 3, which gives you approximately $36.33.

Lastly, you were asked to round the answer if needed. Since the currency is involved, it's customary to round to two decimal places. Therefore, rounding $36.33 to two decimal places gives you a unit price of $36.33.