Lemma
EasyRational expressions
OpenStax, Elementary Algebra 2e §8.9 Use Direct and Inverse Variation · Exercise 26 · Algebra · Rational expressions

Use Direct and Inverse Variation · Exercise 26

Write an inverse variation equation to solve the following problems.

A car’s value varies inversely with its age. Jackie bought a 10 year old car for $2,400.

ⓐ Write the equation that relates the car’s value to its age.
ⓑ What will be the value of Jackie’s car when it is 15 years old?

Its source prints no answer for this problem, so there's nothing to check against.

~5 minWritten answer · check your work with Lemma

OpenStax, Elementary Algebra 2e · §8.9 Use Direct and Inverse Variation · Exercise 26

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.