OpenStax, Prealgebra 2e §6.5 Solve Proportions and their Applications · Exercise 197 · Algebra · Ratio, proportion & variation

Solve Proportions and their Applications · Exercise 197

Solve the percent problem.

Brenda borrowed $\$ \text{400} $f r o mh er b r o t h er . T w oy e a r s l a t er, s h er e p ai d t h e$ $\text{400} $pl u s$ $\text{50}$ interest. What was the rate of interest?

~8 minWritten answer · compare with the solution

OpenStax, Prealgebra 2e · §6.5 Solve Proportions and their Applications · Exercise 197

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.