When you spent 15.3 minutes on the elliptical trainer and then did circuit training for 25.8 minutes, your fitness app says you burned 259.9 calories. When you spent 17.6 minutes on the elliptical trainer and 13.5 minutes circuit training you burned 391.2 calories. How many calories did you burn for each minute on the elliptical trainer? How many calories for each minute of circuit training? O a. This system has no solutions O b. calories burned on the elliptical trainer: -5.70, calories burned during circuit training: 26.60 O c. calories burned on the elliptical trainer: 43.94, calories burned during circuit training: 15.98 O d. calories burned on the elliptical trainer: 7.37, calories burned during circuit training: 18.12 e. calories burned on the elliptical trainer: 26.60, calories burned during circuit training: -5.70 O f. This system has an infinite number of solutions.

A group of students measured their weight during P.E  .Austin weighs 78.8 pounds .Katie weighs 0.5 more than Austin .Mario weighs 1.35 pounds how many pounds do Katie and Mario weigh combined

When you spent 23.4 minutes on the elliptical trainer and then did circuit training for 29.2 minutes, your fitness app says you burned 306.7 calories. When you spent 20.3 minutes on the elliptical trainer and 14.3 minutes circuit training you burned 326.2 calories. How many calories did you burn for each minute on the elliptical trainer? How many calories for each minute of circuit training? a. calories burned on the elliptical trainer: 31.76, calories burned during circuit training: 14.94 b.calories burned on the elliptical trainer: -5.45, calories burned during circuit training: 19.91 c.This system has no solutions d.This system has an infinite number of solutions. e.calories burned on the elliptical trainer: 19.91, calories burned during circuit training: -5.45 f.calories burned on the elliptical trainer: 6.30, calories burned during circuit training: 16.46

You have a collection of nickels and quarters worth $8.10. If the nickels were quarters and the quarters were nickels, the value would be $17.70. How many of each coin do you have? 24.