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This equation shows how the cost of Deion's birthday party depends on the number of guests. $\newline$ $c = 4g$ $\newline$ The variable $g$ represents the number of guests, and the variable $c$ represents the cost in dollars. If there are $5$ guests, how much will Deion's birthday party cost? $\newline$ $\$$ _____

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Evaluate two-variable equations: word problems

Full solution

Q. This equation shows how the cost of Deion's birthday party depends on the number of guests.

\newline

c = 4g

\newline

The variable

g

represents the number of guests, and the variable

c

represents the cost in dollars. If there are

5

guests, how much will Deion's birthday party cost?

\newline

\$

_____

Equation Given: We have the equation $c = 4g$ , where $c$ is the cost and $g$ is the number of guests. We need to find the cost for $5$ guests.
Substitution Step: Substitute $g$ with $5$ in the equation: $c = 4 \times 5$ .
Cost Calculation: Calculate the cost: $c = 20$ .

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