# Kate bought three laptops. A dell laptop cost $$\350$$, Apple cost $$\450$$ and Samsung cost $$\ 620$$. What is the average cost per laptop?

$$\ 473$$

Explanation

Since Apple-Dell average is $$\400$$, adding Samsung boosts average > $$\400$$In another way, the correct answer will be calculated based on the formula:$$(\350 +\450 +\650) \div 3= \473$$