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Jenny has a tin of biscuits - bar modelling question

1,003 views · Published 22 November 2018 · 4:29 · Indexed 4 October 2026

Channel: 3minutemaths · 2018 · Education

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Visit http://www.3minutemaths.co.uk for quick reminder High School GCSE mathematics videos. 

This video is all about bar modelling and forms part of the playlist      on answers to tough questions. 

Jenny has a tin of biscuits. Each day she eats the same number of biscuits. 
After six days she has 4/5 of the tin left. 
‘After another 10 days, she has 42 biscuits left. How many biscuits did she have to start with?


I hope the video helps and please do leave a comment - thanks!


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Visit playlists to help you get more from your studies

3 minute quick reminder math - get extra exam credit https://www.youtube.com/playlist?list=PLPglScc3TJ-PNLVPT1tSkog9EaSRL5_tx

GCSE - everything you need to know to get great grades
https://www.youtube.com/playlist?list=PLPglScc3TJ-MxP6DIKyObHBMcEymPy_Mh

How to solve linear equations
https://www.youtube.com/playlist?list=PLPglScc3TJ-Mvi9Gk651-7y-bUJKC2y4H

.. and many more.


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