A food truck sells salads for $6.50 each and drinks for $2.00 each. The food truck’s revenue from selling a total of 209 salads and drinks in one day was $836.50. How many salads were sold that day?
Explanation: The following information is given in the question: 1) Total of 209 salads and drinks. 2) salads for $6.50 each and drinks for $2.00 each; and total revenue was $836.50
Now let us assign variables to the following entities: 1) Salad = S 2) Drinks = D
From the information given above, 1. S + D = 209 (total number of salads and drinks) -- (A) 2. 6.50S + 2.0D = 836.50 (total revenue equation) -- (B)