Answer:
hi
Step-by-step explanation:
well first he should have multiplied 1 and 3 then 3 and 3 then added them up and multiplied the 5 by 5 and made it into this 2(3+9) -25 this would have became 2(12) -25 witch the would be 24-25 and then became -1
The augmented matrix translates to
x = -3
y = 2
z = -1
so the third option (-3, 2, -1) is the correct choice.
Answer:40
Step-by-step explanation: If she got two turnips for 1$, that means that each turnip if 50¢. So you will be able to buy 40 turnips with 20$