Question

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David owns a food truc itsells tacos and burritos. He sells each taco for $4.50 and
each burrito for $7.75. Yusurday David made a total of $519.25 in revenue from all
taco and burrito sales and the vere twice as many tacos sold as there were burritos
sold. Write a system of equation that could be used to determine the number of
tacos sold and the number of burritos sold. Define the variables that you use to write
the system.
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System of Equations:
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7:30 PM
3/14/2021
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Answer 1

Explanation:

let tacos be x and burritos be y

4.5x+7.75y = 519.25

It says there were twice as many tacos sold as there were burritos sold

Therefore, y = 2x

Substituting this in the above equation: 4.5x + 7.75*2x = 519.25

4.5x+15.5x = 519.25

x = 519.25/20

x = 25.9625