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?

Well if you pick a machine to work on and that's gonna be your exercise if you don't stick to that machine your muscle strength your muscle mass rather will change because you haven't been doing it you change something in your exercise routine which changes your body's form of dealing with things for example you might become weaker or stronger depending on what kind of exercises you do in whether or not the machine you picked actually your muscles grow.