These containers were Shown below are eight rectangles representing containers of coffee. purchased by eight people at various stores. The price per kilogram and the mass of coffee purchased by each person are specified in each figure. A В 4 kg 5 kg 3 kg 8 kg $1.50 per kg $1.80 p er kg $2.00 per kg $1.50 per kg 4 kg 10 kg 12 kg 10 kg $1.80 per kg $2.00 per kg $1.00 per kg $1.20 per kg E F H Rank these containers, from greatest to least, on the basis of how much each person paid for their coffee. That is, put first the container that cost the most and put last the container that cost the least. Greatest 1. 2. 3. 5 6 7. 8. Least Or, the cost was the same for all of these containers Please carefully explain your reasoning: How sure were you of your ranking? (circle one) Sure Basically Guessed 2 Very Sure 9 3 4 6 7 8 10

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Linear Algebra

In mathematics, problems can be solved by the arithmetic operators like addition, subtraction, multiplication, and division. In algebra, we represent the numbers by any letter called a variable. If these variables are of degree 1, then it is studied under linear algebra. The first-degree equations involving algebraic expressions are called linear equations. That is, if you represent it by drawing a graph you will get a straight line.