Rational because it terminated
15 lbs.
34+68+14+19 =135 pounds total
135lbs / 9 (amount of portions required) = 15lbs
hope that helps :)
Answer:

Step-by-step explanation:
B and F because they would be multiplied by 100, which would move the digits two times to the right.
K - 2k = 15 + 1 + 6k - 2
-k = (15 + 1 - 2) + 6k
-k = 14 + 6k |subtract 6k from both sides
-7k = 14 |divide both sides by (-7)
k = -2