To find out what percentage of the sodas served were regular, you need to do the following steps: 1. Calculate the total number of sodas served: regular sodas + diet sodas. 2. Calculate the percentage of regular sodas out of the total number of sodas. David's Diner served 12 regular sodas and 3 diet sodas. Total sodas served = 12 regular + 3 diet = 15 sodas. Now to get the percentage of regular sodas, you divide the number of regular sodas by the total number of sodas and multiply by 100%. Percentage of regular sodas = (12 / 15) × 100% Percentage of regular sodas = 0.8 × 100% Percentage of regular sodas = 80% So, 80% of the sodas served were regular.
To find the ratio of large envelopes to the total number of envelopes, first determine the total number of envelopes by adding the number of large envelopes to the number of small envelopes. Large envelopes: 6 Small envelopes: 11 Total number of envelopes: 6 + 11 = 17 Now find the ratio of large envelopes to the total number of envelopes, which is 6 to 17. The ratio is written as: 6:17 So the correct answer is C: 6:17.
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