A coworker flashes four $20 bills and explains that he found them in the auditorium, and would like to treat you to lunch. What
1 answer:
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Answer:
Option (B)
Step-by-step explanation:
By applying multiplication property of the matrices,
Therefore, system of equations formed will be,
5x + 2y + z = 16
7x - 5y + 2z = 3
-5x + 3y + z = 12
Option (B) will be the correct option.
Answer:
$186.2
Step-by-step explanation:
38 kg costs $144.40
∴ 1 kg costs = = $3.8
49 kg costs = 3.8 x 49
= $186.2