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The house Trevor‘s family lives in has six people, including Trevor and three bathrooms. In the past month, each Persian showered for an average of 480 minutes and used an average of 72 L of shower water over the entire month. Water cost 0.20 $ per liter. How much money did Trevor‘s family spend, in total, on shower water in the past month?

Sagot :

Answer:

$86.40  

Step-by-step explanation:

Solving the Problem

Breaking it Down

We're given

  • there are 6 people,
  • each person uses 72L of water over 1 month,
  • the water cost is $0.20 per liter (L).

We're asked to find the total amount of money spent on water.

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Calculating the Final Answer

The total amount of water used in one month is the product of the number of liters used by one person and the total amount of people that used it.

So,

                                                72 x 6 = 432.

To find the total amount of money that's spent on water for the entire month (432 liters), we multiply the total amount of liters used by the unit cost!
So,

                                          432 x 0.20 = 86.40.  

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