Answer:
8
Step-by-step explanation:
It's clear that the ratio of the weight and cost is 1:2.
So when you increase the factor by 4 , the cost increases by 8.
That's all I can say, and I'm sure my answer is correct.
Answer:
m=3
Step-by-step explanation:

Answer:
48
Step-by-step explanation:
You multiply by 2 each time
Answer: 500,000
Step-by-step explanation:
3.5M/7=500,000