Answer:

Step-by-step explanation:
Look at the image below ↓
Use rates, so 8 garden hoses over 18 hours
then find the how many hours one garden house can fill up by doing this = 18/8 you divide the 8 for both sides which is about 2.25/1
so then you times 9 which is about 20/9 hoses
your answer is 20
Your answer is 12
The difference 27 – 23 = 4, and 300% of 4 is 3 times 4, or 12.
V(t)= 5000 - 500t I think