Answer:
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