Question

A woman works out by running and swimming. When she runs, she
burns 10 calories per minute. When she swims, she burns 7 calories per
minute. She wants to burn at least 350 calories in her workout. Write an
inequality that describes her options for the number of minutes of
running, x, and the number of minutes of swimming, y, in a workout.

Answer 1

x+y=350cals
there's another formula that you used to find one side of the equation
its used very widely in money problems such as i have 1 pound of walnuts and 2 pounds of
pine nuts, i don't remember the other equation for the problem but i hope this puts you on the right track.

Answer 2

Thanks for all your help that helps a lot.