OpenStax, Prealgebra 2e §6.5 Solve Proportions and their Applications · Exercise 199 · Algebra · Ratio, proportion & variation

Solve Proportions and their Applications · Exercise 199

Solve the percent problem.

Solve for a: $\frac{12}{a} = \frac{- 15}{65}$

~8 minWritten answer · compare with the solution

OpenStax, Prealgebra 2e · §6.5 Solve Proportions and their Applications · Exercise 199

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.