Freebase(0.00 / 0 votes)Rate this definition: Lux. The lux is the SI unit of illuminance and luminous emittance, measuring luminous flux per unit area. It is equal to one lumen per square metre. In photometry, this is used as a measure of the intensity, as perceived by the human eye, of light that hits or passes through a surface.
The average American eats an average of 4.2 commercially prepared meals per week. In other words, as a nation, we eat out between four and five times a week, on average.t an average cost of $12.75 per meal, youâd save yourself $8.75 for each of those meals. In other words, the average American would save $36.75 per person per week by moving all of their meals from restaurants to home-prepared meals.
51. View. comments. The average American spends more than $1,200 on fast food every year, research has shown. A study carried out among 1,000 adults found typically they will tuck into fast food on two occasions every week-shelling out around $12.50 per meal-with burgers, pizza and fried chicken the most common meals.verage American spends $1,200 a year on fast food-that's burgers and fried chicken twice EVERY week. 1  A study of 1,000 adults found typically they will tuck into fast food on two occasions every week-shelling out around $12.50 per meal.