Answer:
x=1.25, y=2.5
Explanation:
x = # of soft tacos
y = # of double deckers
3x+3y=11.25 *4 => 12x+12y=45
4x+2y=10 *-3 =>-12x-6y=-30
6y=15
y=2.5
4x+2(2.5)=10
4x+5=10
4x=5
x=1.25
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