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How many cookies did Kris Kringle sell?

Kris Kringle bought some cookies at 4 for 25 cents. he ate 1 dozen of them and sold the remaining cookies at 3 for 25 cents and made a profit of 50 cents. how many cookies did Kris Kringle sell.? help plezz... thanks very much and can you explain.

Public Comments

1. Buy price is (25/4) = 6.25c. He ate 12, so that cost him .75c. He made a profit of .50c, so add to .75c = $1.25 overall he needed to make. Sell price was (25/3) = 8.333c. 8.333 - 6.25 = 2.08333c per cookie he makes. 125c / 2.08333c = 60 cookies. Does it work? Let's see. He bought 72 cookies, cost him $4.50. He sold 60 cookies, made him $5.00. That's his 50c profit! It works.