Question

Dario bakes a lasagna containing 2/3 pound of parmesan cheese, 1 3/4 pounds of ricotta cheese, and 1 1/3 pounds of mozzarella cheese.

Dario cuts the lasagna into several equal slices, each containing exactly 1/4 pound of cheese. How many slices are there?

Answer 1

Answer: Dario is able to cut the lasagna into 15 slices.

Step-by-step explanation: 2/3 + 1 3/4 + 1 1/3 = 3 3/4. divide 3 3/4 by 1/4 to get 15.

Answer 2

To determine the number of slices, we need to find the total weight of cheese in the lasagna and divide it by the weight of cheese in each slice.

The total weight of cheese in the lasagna is the sum of the weights of Parmesan, ricotta, and mozzarella:

2/3 + 1 3/4 + 1 1/3 = 2/3 + 7/4 + 4/3 = 8/12 + 21/12 + 16/12 = 45/12 = 3 9/12 = 3 3/4 pounds.

Now, we divide the total weight of cheese by the weight of cheese in each slice:

(3 3/4) ÷ (1/4) = (15/4) ÷ (1/4) = 15.

Therefore, there are 15 slices in the lasagna.