Select the correct equation for each situation and solve it. 9. Fun Time Roller Coasters charges $$ \$ 6 $$ per ride. Joe spends $$ \$ 54 $$ on, $$ r $$, rides. Circle the correct equation then solve for $$ r $$. $$ 6+r=54 $$

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To determine the correct equation for the situation and solve for $$ r $$, let's break down the problem:

**Situation:**
- **Cost per ride:** \$6
- **Total amount spent:** \$54
- **Number of rides:** $$ r $$

**Setting Up the Equation:**
Since each ride costs \$6, the total cost for $$ r $$ rides is calculated by multiplying the cost per ride by the number of rides:
$$
\text{Total Cost} = 6 \times r
$$
Given that Joe spends a total of \$54, the equation becomes:
$$
6r = 54
$$

**Solving for $$ r $$:**
$$
6r = 54
$$
$$
r = \frac{54}{6}
$$
$$
r = 9
$$

**Conclusion:**
The correct equation is:
$$
6r = 54
$$
And the number of rides Joe took is:
$$
r = 9
$$

**Note:** The initially provided equation $$ 6 + r = 54 $$ is incorrect because it adds the cost per ride to the number of rides, which doesn't accurately represent the total expenditure. The correct approach is to use multiplication to account for the cost of each ride.

**Final Answer:**
$$
6r = 54 \quad \Rightarrow \quad r = 9
$$
The correct equation is $$ 6r = 54 $$, and solving for $$ r $$ gives $$ r = 9 $$.

Select the correct equation for each situation and solve it. 9. Fun Time Roller Coasters charges \( \$ 6 \) per ride. Joe spends \( \$ 54 \) on, \( r \), rides. Circle the correct equation then solve for \( r \). \( 6+r=54 \)

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