In her last workout, Marsha burned 9 calories per minute on the treadmill and 7 calories per minute on the elliptical. If she spent a total of 57 minutes working out and burned a total of 463 calories, how
many minutes did she spend on the elliptical?

X=3 and y=4 is the answer

Thats where they was ported and the fields that noone really knew much about needed tended, so they put slaves out there do free work and huge profits and so on the north decided to hold its own and was more different way of survival did not have same climate conditions to afford protecting slaves from winter so expenses be diff from south