anonymous
  • anonymous
Isaac is making sandwiches for a group of friends. He needs 3 ounces of meat for each sandwich. Part A: Isaac is not sure how many sandwiches he will be able to make. Write an expression with a variable that represents the amount of meat Isaac needs for his sandwiches. Identify what the variable represents. Part B: If Isaac has 18 ounces of meat, how many sandwiches can he make? Create an equation and show all work to solve it.
Mathematics
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Explain no straight answers please c:
Valpey
  • Valpey
Let's do B first. 3 ounces for the first sandwich, 15 ounces left... How many sandwiches?
anonymous
  • anonymous
5?

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Valpey
  • Valpey
He can make at least 5 sandwiches, right, 3 + 3 + 3 + 3 + 3 = 15 ounces of meat. When we are writing expressions we like to define variables. We can say something like n = number of sandwiches
Valpey
  • Valpey
Also, for this expression, it would be okay if Issac had an ounce or two of meat leftover. In our expression, that means instead of an \(=\) sign, we might have a \(\le\) sign.
Valpey
  • Valpey
Okay, so how could we express the limitation of the total number of sandwiches in terms of the total amount of meat?
Valpey
  • Valpey
Let's say I have an unlimited amount of meat, how much of it would I use to make 11 sandwiches? 4 sandwiches?

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