Answer:
B. 12 slats
Step-by-step explanation:
Divide 42 by 3.5 and you get 12.
9 at minimum
a minimum of 9 because it takes a total of 8 rides to take back a full 18 cars back and the 9th ride takes back the remainder which is 0.27777777778 times 18 cars
4
dgfsdfgsfgdfgdfgdfgdfgdfgdfg
8/168=21
The pennies weigh 24374.89 pounds
