Question

The Rock has an 88-gallon fish tank. When it needs to be cleaned, it can be drained at a rate of 6 gallons per minute. Show all work. Complete sentence for each question.
first part: Assuming the tank was full, write a function in the form y=mx + b that represents the amount of water in the tank, Y, after X minutes. You will need to know the initial value and the rate of change.

second part: How long has the tank been draining for if it has 34 gallons left?

Answer 1

Answer:9 minutes

Step-by-step explanation:

1. to find how much was drained subtract how much is left from the total amount when full  88-34= 54

2. divide answer by the rate per minute  54/6

3. you have answer 9 minutes