Lemma
EasyRational expressions
OpenStax, Elementary Algebra 2e §8.8 Solve Uniform Motion and Work Applications · Try It 4 · Algebra · Rational expressions

Solve Uniform Motion and Work Applications · Try It 4

Tony drove 4 hours to his home, driving 208 miles on the interstate and 40 miles on country roads. If he drove 15 mph faster on the interstate than on the country roads, what was his rate on the country roads?

~5 minWritten answer · check your work with Lemma

OpenStax, Elementary Algebra 2e · §8.8 Solve Uniform Motion and Work Applications · Try It 4

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.