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Darnel's retirement party cost $33, plus an additional $1 for each guest he invites. What is the maximum number of guests there can be if darnel can afford to spend a total of $42 on his retirement party?

Respuesta :

Answer: the maximum number of guests that he can invite would be 9

Step-by-step explanation:

Darnel's retirement party cost $33, plus an additional $1 for each guest he invites. Assuming Darnel wants to invite x guests to his retirement party, the total amount of money that Darnel would spend is

33 + x

if darnel can afford to spend a total of $42 on his retirement party, then

42 = 33 + x

x = 42 - 33 = 9