Lemma
EasyPolynomials
OpenStax, Algebra and Trigonometry 2e §5.8 Modeling Using Variation · Example 2 · Algebra · Polynomials

Modeling Using Variation · Example 2

When Raoul runs on the treadmill at the gym, the number of calories, c, he burns varies directly with the number of minutes, m, he uses the treadmill. He burned 315 calories when he used the treadmill for 18 minutes.
ⓐ Write the equation that relates c and m. ⓑ How many calories would he burn if he ran on the treadmill for 25 minutes?

Its source prints no answer for this problem, so there's nothing to check against.

~5 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §5.8 Modeling Using Variation · Example 2

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.