Lemma
MediumIntegers
OpenStax, Prealgebra 2e §3.3 Subtract Integers · Exercise 81 · Arithmetic · Integers

Subtract Integers · Exercise 81

Camping Rene is on an Alpine hike. The temperature is Rene’s sleeping bag is rated “comfortable to How much can the temperature change before it is too cold for Rene’s sleeping bag?

~8 minWritten answer · check your work with Lemma

OpenStax, Prealgebra 2e · §3.3 Subtract Integers · Exercise 81

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.