Respuesta :

Answer:

$20

Step-by-step explanation:

Please mark me as brainliest

Answer:

Elena's retirement party will cost $20 if she invites 10 guests.

Step-by-step explanation:

We know this because the problem tells us that the party will cost $16 if she invites 8 guests, which means that every guest costs $2 and if we multiply 2 and 10 we get 20.

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