Brian S.
asked • 08/06/20Algebra systems of equations
If three empanadas and two drinks cost $9, and four empanadas and one drink costs $9.50, how much does a drink cost?
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1 Expert Answer
Lois B. answered • 08/06/20
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Q. Always start working the problem by writing down what you know. What information is given?
A. 3e+2d=$9
4e+1d=$9.50
Q. What are you trying to find?
A. cost of 1 drink (d)
We notice there are two equations with two unknowns.
Can you now solve for "d" by substitutions or add the system of equations.
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Lois B.
Always start working the problem by writing down what you know. What information is given?08/06/20