Logomenu
shrug

Do you need help with

Un professeur donne à ses élèves un exercice de mathématiques difficile. Les élèves mettent en moyenne 1h15 à le résoudre, sauf sept élèves qui ne réussissent pas l'exercice. Combien d'élèves ont traité l'exercice ?(1) Le nombre d'élèves qui ont réussi l'exercice est un multiple de 6, compris entre 8 et 20.(2) Si on enlève le temps mis par les trois élèves les plus lents, qui ont mis en moyenne 2 h,la moyenne est de 1 h.

Then try StudyFetch, the AI-powered platform that can answer your questions and teach you more about it!

arrowarrow
Learn The Answer

How StudyFetch Helps You Master This Topic

AI-Powered Explanations

Get in-depth, personalized explanations on this topic and related concepts, tailored to your learning style.

Practice Tests

Take adaptive quizzes that focus on your weak areas and help reinforce your understanding of the subject.

Interactive Flashcards

Review key concepts and terms with AI-generated flashcards, optimizing your retention and recall.

Educational Games

Engage with fun, interactive games that reinforce your learning and make studying more enjoyable.

Start mastering this topic and many others with StudyFetch's comprehensive learning tools.

study fetcharrow
Ready To ace that test?

Sign up to revolutionize your learning.