52 i believe.
42 + 45 + 58 + 63 = 208
208 / 4 = 52
1/9 or 11/100
Hope that helps
Answer:
C; None of the above.
Step-by-step explanation:
Pretend x=1, y=0, and z=2.
You have to match an answer to 1+0-2 (equals to -1).
The first equation would be 2+0+1. When you add them all together you get 3, and that isn't equivalent to -1, so therefore this one is not the answer.
The second equation becomes 1+2+0, and when you solve for the answer, you see that the answer is also 3, and so we can conclude that neither A or B matches with the equation above, so the answer is C, None of the above.
Answer:
37.5 minutes
Step-by-step explanation:
30/200 = .15
.15x250