keke6361
24.09.2020 •
Mathematics
2x + y = 2
x + 2y = 2
2. Simone has discovered a blow-out sale at a shop in the mall. The cost of 2 sweaters, 5 shirts, and 3 pairs of
pants is $172. The cost of 5 sweaters and 8 pairs of pants is $269. The cost of 4 shirts and 1 pair of pants
-is-574-If-x-represents-sweaters-y-represents-shirts, and-2-represents pants, which
systems of equations can be
used to determine the sale price of the sweaters, the shirts, and the pants?
a.
2x + 5y + 3z = 172
5x + 8z = 269
4y+z=74
c. 2x + 5y + 3z= 172
5x+y+ 8z = 269
x + 4y + z = 74
b.
x+y+z= 172
X + 2 = 269
y+z=74
d. 2x + 5y + 3z= 172
5x - 8z=269
4y - z=74
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Ответ:
8 48
11 66
15 90