![SOLVED: Translate to a system of equations and then solve: When Jenna spent 10 minutes on the elliptical trainer and then did circuit training for 20 minutes, her fitness app says she SOLVED: Translate to a system of equations and then solve: When Jenna spent 10 minutes on the elliptical trainer and then did circuit training for 20 minutes, her fitness app says she](https://cdn.numerade.com/ask_previews/60aab828-0807-48be-a261-c1d542d16584_large.jpg)
SOLVED: Translate to a system of equations and then solve: When Jenna spent 10 minutes on the elliptical trainer and then did circuit training for 20 minutes, her fitness app says she
![Quick HIIT: A 20-Minute HIIT Elliptical Routine | Elliptical workout, Hiit elliptical workout, Hiit elliptical Quick HIIT: A 20-Minute HIIT Elliptical Routine | Elliptical workout, Hiit elliptical workout, Hiit elliptical](https://i.pinimg.com/1200x/76/d6/b8/76d6b85c12e60419e51b2af319961ad1.jpg)
Quick HIIT: A 20-Minute HIIT Elliptical Routine | Elliptical workout, Hiit elliptical workout, Hiit elliptical
![Is it just because I am so out of shape? The elliptical machine reads similar on my heart rate and estimated calories burned. : r/AppleWatch Is it just because I am so out of shape? The elliptical machine reads similar on my heart rate and estimated calories burned. : r/AppleWatch](https://i.redd.it/is-it-just-because-i-am-so-out-of-shape-the-elliptical-v0-hswtyh69be2a1.jpg?width=1170&format=pjpg&auto=webp&s=917856db38f64227ff6febfc7c1144e0a9c5f485)