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Complete Question
Jada is making lasagna and pizzas for a large party. Her lasagna recipe calls for 1 1/4 cups of tomato paste, and her pizza recipe uses 1/2 cup of tomato paste per pizza. She will double her lasagna recipe and make 5 pizzas. Write and evaluate an expression for how many 3/4- cup cans of tomato paste she will need in all.
Answer:
The evaluate and for how many 3/4-cup cans of tomato she need in all is 20/3
Step-by-step explanation:
Step 1
From the question, we are told that:
1 single lasgna recipe uses: 1 1/4 cups of tomato paste = 5/4 cups
If she doubles her recipe, the number of cups of tomato paste =
2 × 5/4 cups of tomato paste
= 10/ 4 = 5/2 cups of tomato pastes
Step 2
From the question, we are told that:
1 Pizza recipe = 1/2 cup of tomato pastes
5 Pizza =
5 × 1/2 cup of tomato paste
= 5/2 cups of tomato paste
Steps 3
The total number of cups of tomato paste Jada will use in making double lasagna and 5 pizzas is calculated as
= 5/2 + 5/2
= (5 + 5)/ 2
= 10/2
= 5 cups.
Step 4
We are asked to evaluate how many 3/4 -cup cans of tomato she need in all.
This means we should find how many 3/4 - cup cans can be found in the total number of cups of tomato paste that Jada used.
Total number of cups that Jada used = 5 cups of tomato paste
The number of 3/4-cup cans in 5 cups is calculated as:
5 ÷ (3/4)
= 5 × 4/3
= 20/3
Therefore, the evaluate and for how many 3/4-cup cans of tomato she need in all is 20/3
