A recent newspaper article reported on American's eating habits. The article reported that only about one third of American adults ate 2 or more servings of fruit per day, and only 26% ate 3 or more servings of vegetables per day. Californians ate the most fruit, while Tennesseans ate the most vegetables. The phrase "26% ate 3 or more servings of vegetables per day" refers to what kind of variable and why?

In a coastal town, the humidity, measured in grams of water per kilogram of air, increases by 43% for every 1 degree celsius increase in temperature. a scientist observes that the humidity on monday morning is 5.75 grams per kilogram. he wants to know how much the temperature must increase for the humidity to reach at least 49.17 grams per kilogram. let t represent the increase in temperature, in degrees celsius, from monday morning's observation. write an inequality to represent the situation, and use it to determine the desired temperature increase.