Average cost is the ratio of total cost and the number of goods. Hence, for this problem:
Average cost=
So,
Where A(b)= average cost, c(b)= total cost and b= number of candles.
Since, c(b)=250+3b
So, the average cost is
14.20 , 14.210 , 14.240 , 414.200
I believe the answer is no
Answer:
1:3:8
Step-by-step explanation:
The original ratio erasers:pens:pencils is 5:15:40. Since the greatest common factor is 5, we can divide all the numbers by 5.
Therefore the ratio is 1:3:8
Answer:
1:10 AM
Step-by-step explanation:
The 4th eruption of the day as at 12:22 PM. And since the time between each eruption gets 12 minutes added, the next eruption is going to happen in 48 minutes, which is at 1:10 AM. After that eruption, the time will reset and the next eruption will happen at 1:22 AM