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.
If youâre living in the northeast, youâre likely spending more each time you go out for lunch. Northeasterners spend 14% more per meal than the national average at $11.40 for a weekly total of $17.10.Compare that with southerners who lead the regions of the country in spending per week. The average Southerner eats out twice per week, spending $10 each time for an average of $20 per week.t may not be the most important meal of the day but lunch is certainly among the most costly. Americans go out for lunch on average twice a week and spend $10 each time. That means theyâre spending $936 annually.