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?
1 answer:
Answer:
20
Step-by-step explanation:
He's going to need a very sharp pencil to cross out the people he cannot afford to invite but would like to.
Equation
y = 33 + 1x
y = 42
42 = 33 + x
Solution
42 = 22 + x Subtract 22 from both sides.
42 - 22 = 22 -22 + x
20 = x
This means that if each extra person costs $1.00 then he can invite 20 more people (20 * 1 = 20)
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