Final answer:
Karly used 36.75 ounces of tomato sauce in the lasagna, calculated by multiplying 3.5 cans by 10.5 ounces per can.
Step-by-step explanation:
To determine how many ounces of tomato sauce Karly used in the lasagna, we need to multiply the number of cans by the number of ounces per can. Karly used 3.5 cans of tomato sauce, and each can contains 10.5 ounces. So, the calculation we need to perform is:
- Multiply the number of cans by the number of ounces per can: 3.5 cans × 10.5 ounces per can.
- This gives us the total number of ounces of tomato sauce used: 3.5 × 10.5 = 36.75 ounces.
Therefore, Karly used 36.75 ounces of tomato sauce to make lasagna.