Lemma
EasyRatio, proportion & variation
OpenStax, Prealgebra 2e §6.5 Solve Proportions and their Applications · Exercise 40 · Algebra · Ratio, proportion & variation

Solve Proportions and their Applications · Exercise 40

Solve the proportion problem.

Kevin wants to keep his heart rate at beats per minute while training. During his workout he counts beats in seconds. How many beats per minute is this? Has Kevin met his target heart rate?

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

~5 minWritten answer · compare with the solution

OpenStax, Prealgebra 2e · §6.5 Solve Proportions and their Applications · Exercise 40

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.