Answer:
4.5 meters per second, or 270 meters per minute.
Step-by-step explanation:
If you divide 360 by 80, you get 4.5 and if you divide 360 by 1 1/3 (which is how many minutes 80 seconds is), you get 270.
the total cost will be $27.00
1st row 5 -7 -1
2nd row -2 4 -5
3rd row -6 0 3
Answer: 11x - xy - 6
(5x+6xy-4)-(-6x+7xy+2)
5x + 6xy - 4 + 6x - 7xy -2
11x - xy - 6