Answer:
tenths.........
Step-by-step explanation:
.....is the answer
Since we are finding the unit rate of the cost per comic, we will need to divide $5 by 20 comics which you will get 0.25 cents and divide $7.50 by 30 comics which you will also get 0.25 cents.Therefore, the unit rate and constant of proportionality is 0.25 cents.
The answer is 486.6
There are 8,760 hours in a year, so 18 divided by 8,760 would = 486.6
The answer to your question is 15
