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2. A birthday party at the skating rink costs $60 to
reserve a party area and $2.50 per guest for skating and
skate rental. How much will a party cost if you invite:
a. 8 guests?
b. 15 guests?
c. 40 guests?

Respuesta :

A = $60 + ($2.50 x 8)
= $60 + ($20)
= $80
B = $60 + ($2.50 x 15)
= $60 + ($37.50)
= $97.50
C = $60 + ($2.50 x 40)
= $60 + ($100)
= $160

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