Two cheeseburgers and one small order of French fries from a fast-food restaurant contain a total of 890 calories. Three cheeseburgers and two small orders of French fries contain a total of 1520 calories. Find the caloric content of each item?

cheeseburger/x=260  fries/y=370

Explanation:

set up the equations

2x+y=890

3x+2y=1520

use elimination or substitution methods to solve

adding one of each raises calories 540 calories. 850-540=310 calories in a cheeseburger. 540-310=230 calories in french fries. checked with calculator my math is correct.

Explanation:

a lack of sleep can affect body weight. two hormones in the body, leptin and ghrelin, control feelings of hunger and satiety, or fullness.

explanation: