Connie needs to burn at least 400 calories at the gym today. She can burn 20 calories per minute on the treadmill and 12 calories per minute on the elliptical trainer. Which inequality below can be used to find the possible combinations of time she could spend on each machine and still meet her goal of burning at least 400 calories?

Question

anonymous · Answer

20t - 12e >or equal to 400 20t + 12e < or equal to 400 20t - 12e < or equal to 400 20t + 12e > or equal to 400