Answer:
- 3
Step-by-step explanation:

Answer:
i would go for a and c
Step-by-step explanation:
Answer:
Step-by-step explanation:
The answer is C because t = 2 so 75x2=150 and 150 + 10= 160.
the answer is negative two over zero
Answer:
18 machines
Step-by-step explanation:
9 machines give 24 mins... You need to reduce the time by half by adding using double the machines..
So 9×2=18