Question

at carl diners there are 3 sizes of coffee drinks regular 300ml,large500ml, and extra large 800ml and they cost rs5,rs8,rs12 respectively one evening the dinner sold a total of 37coffees the total volume of coffee sold was 19100ml and the amount of money made in coffee sales was rs 300 how much of each size of drink did customers buy that evening? using cramers rule

Answer 1

Answer:

At Carl's Cambie Diner, there are three sizes of coffee drinks: regular (300 mL), large (500 mL) and extra large (800 mL), and they cost $2.25, $3.25 and $5.75, respectively. On a particular afternoon, the diner sold a total of 37 coffees. The total volume of coffee sold was 19, 100 mL and the amount of money made in coffee sales was $133.25. How many of each size of drink did customers buy that afternoon?