Mathematics, 10.10.2019 11:50 AmazingColor

Alocal high school held a two-day fundraiser selling lunches. the equations shown represent the amount of money the school collected during the two days.

{12x + 4y = 15232x + 12y = 42012x + 4y = 15232x + 12y = 420

in the equations, xx represents the cost of a chicken lunch and yy represents the cost of a vegetarian lunch. which is the cost of the vegetarian lunch?

$9

$11

$13

$21

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