Answer:
7 units
Step-by-step explanation:
Answer:
The solution is in the picture above
It went up from 15.50 to 18.60, so it really went up 3.10.
if we take 15.50 to be the 100%, what is 3.10 off of it in percentage?
Answer:
If is the amount of salt in the tank at time , then the rate at which the amount of salt in the tank changes is given by
Let's drop the units for now. We have
We're given that the water is pure at the start, so , giving
So the amount of salt in the tank (in lbs) at time is
Step-by-step explanation:
Substiture b for 50 and h for 20 so
(50)(20)
1000/2
A = 500