Answer:
6.25 minutes or 375 seconds
Step-by-step explanation:
We can solve the following problem through the Proportion method.
Here,
we may take the time taken by the machine as x

The first thing we are going to do for this case is define variables.
We have then:
x: number of gallons of water
y: total weight
We then have an equation of the form:

Where,

Substituting values:

We choose an ordered pair:

Substituting values:

Rewriting:
Answer:
y = 8.34x + 30
The answer is 2 and two twelfths.
You can only get 7 because you could get 8 of them but you need to remember that shipping is 5 dollars. 70/8.49 is 8.24499411 but it would be 7 dvds.