Lemma
EasyRational expressions
OpenStax, Elementary Algebra 2e §8.8 Solve Uniform Motion and Work Applications · Exercise 25 · Algebra · Rational expressions

Solve Uniform Motion and Work Applications · Exercise 25

Solve work applications.

Josephine can correct her students’ test papers in 5 hours, but if her teacher’s assistant helps, it would take them 3 hours. How long would it take the assistant to do it alone?

~5 minWritten answer · compare with the solution

OpenStax, Elementary Algebra 2e · §8.8 Solve Uniform Motion and Work Applications · Exercise 25

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.