Afood 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

Iam so stuck. what is the worked out answer for this question?

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?