Sammy usually takes a 18 minute shower in the morning. if a 4 minute shower uses an average of 20-40 gallons of water, what is the maximum gallons of water that sammy could be using in her shower?

a.
72 gallons of water
b.
360 gallons of water
c.
90 gallons of water
d.
180 gallons of water

Option 'D' is correct.

Step-by-step explanation:

Since we have given that

In a 4 minute, the shower uses an average of 20-40 gallons of water,

If we consider the maximum gallons of water,

In 4 minutes, the maximum gallons of water = 40

In 1 minute, the maximum gallons of water is given by

In 18 minutes, the maximum gallons of water is given by

Hence, Option 'D' is correct.

in mathematics, a function is a relationship between two variables such that the value of one of the variables, called the dependent variable, is determined by the value of the other variable, called the independent variable. there is a specific term we use to describe the set of independent variables of a function.