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Four student government officers want to go to the state convention. It will cost them $120 for registration, $355 for transportation and food, and $45 per person for the hotel. There is $495 budgeted for the convention in the student government savings account. They can earn the rest of the money they need by having a car wash.
a. If they charge $4 per car, how many cars must they wash in order to have enough money to pay for the trip?

Respuesta :

Answer:

The number of cars must they wash in order to have enough money to pay for the trip is 40.

Step-by-step explanation:

The total amount of money required for the four student government officers to go to the state convention is:

[tex]Amount\ needed=\$120+\$355+(\$456\times4)=\$655[/tex]

The amount saved for the convention in the student government savings account is $495.

The additional amount required is:

Additional amount = Amount Required - Amount Saved

                               = $655 - $495

                               = $160

The four students decided to earn the additional amount by washing cars.

They charge $4 for each car wash.

Compute the number of car wash the students must do is:

[tex]Number\ of\ car\ wash=\frac{160}{4} =40[/tex]

Thus, the number of cars must they wash in order to have enough money to pay for the trip is 40.

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