OpenStax, Prealgebra 2e §6.5 Solve Proportions and their Applications · Exercise 39 · Algebra · Ratio, proportion & variation

Solve Proportions and their Applications · Exercise 39

Solve the proportion problem.

At the gym, Carol takes her pulse for $10$ sec and counts $19$ beats. How many beats per minute is this? Has Carol met her target heart rate of $140$ beats per minute?

~5 minWritten answer · compare with the solution

OpenStax, Prealgebra 2e · §6.5 Solve Proportions and their Applications · Exercise 39

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.