If the students washed 30% of the cars on Saturday and that amounted to 24 cars, we can find the total number of cars washed on Saturday by using the formula for percentage:
\[ \text{Percentage} = \frac{\text{Part}}{\text{Whole}} \times 100 \]
Let \( x \) be the total number of cars washed on Saturday. Then we have:
\[ 30% \text{ of } x = 24 \]
This can be written as:
\[ 0.30 \times x = 24 \]
To find \( x \), we can divide both sides by 0.30:
\[ x = \frac{24}{0.30} = 80 \]
So, the total number of cars washed on Saturday is 80. Since the problem does not provide information about the number of cars washed on Sunday, we can conclude that the total number of cars washed on both days is simply the number washed on Saturday:
\[ \text{Total cars washed} = \text{Cars washed on Saturday} + \text{Cars washed on Sunday} \]
Assuming Sunday is included as well in our answer, we only know about Saturday.
Thus, the total number of cars washed on both days cannot be definitively answered. However, since there is no Sunday data provided, we might assume they didn't wash any cars on Sunday to provide an answer based on the information given.
If we just consider the number of cars washed on Saturday and select the closest option:
The answer would be:
D. 80 (assuming total is intended or that additional washing is not specified beyond Saturday).
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