Answer:
$2.40
Step-by-step explanation:
5 sandwich = $12
1 sandwich = 12 ÷ 5 = $2.40
SHDJJEHEH shdhshshshshduvuvuvububuyb
Answer:
The determinant of the matrix for the the pineapple cake is 4,350. the price of one pineapple cake is 3,520
The determinant of the matrix for the chocolate cake is 5,075 . the price of the chocolate cake is 4,414
4x+3y=19
3x-5y=7
(3)4x+3y=19
(-4)3x-5y=7
12x+9y=57
-12x+20y=-28
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29y=29
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y=1
4x+3(1)=19
4x+3=19
-3 -3
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4x=16
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x=4