Lemma
EasyWhole numbers & place value
OpenStax, Prealgebra 2e §1.4 Multiply Whole Numbers · Example 15 · Arithmetic · Whole numbers & place value

Multiply Whole Numbers · Example 15

When Rena cooks rice, she uses twice as much water as rice. How much water does she need to cook cups of rice?

~5 minWritten answer · check your work with Lemma

OpenStax, Prealgebra 2e · §1.4 Multiply Whole Numbers · Example 15

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.