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2. Xamdi is having a birthday party. The event location says the total cost includes a fixed rental fee of $80 and $10 per guest.
(a) Using x to represent the number of guests, write an expression that describes the total cost of the party.
(b) Find the total cost if Xamdi has 9 guests attending the party.


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Respuesta :

rynL
80+10x is the expression. To find the cost for 9 guests, simply plug in 9 for x. This becomes an equation reading 80+10(9)=170. The total cost for 9 guests is $170.00.


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