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You are making a sandwich. You need lettuce, tomato, and two slices of bread to make the sandwich....
L = lettuce. T = Tomato. B = Bread. S = Sandwich
Vegetables ( Lettuce and tomato) are $2 a piece. Bread is $1 a slice.
The cost of a sandwich can be represented by the equation: {L+T+B+B = S.}
1.) Write another equation you could use to show the cost of a sandwich. (hint: add then multiply)
2.) Figure out the cost of a sandwich (Solve for S).


Sagot :

Answer:

[tex]1. l + t + 2b = s \\ 2 + 2 + 2(1) = 6 \\ [/tex]

the cost of sandwich is $6