Ratio problem solving - Edexcel 2014 maths exam Q14

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

This video is all about how to work with ratios and forms part of the playlists 'How to work with ratio' and GCSE Higher level.

The question is quite wordy and takes a fair bit of reading. However if you follow it through you should be able to work out similar questions in the future.

"Suha has a full 600 ml bottle of wallpaper remover.
She is going to mix some of the wallpaper remover with water.
Here is the information on the label of the bottle:
Wallpaper remover
600 ml
Mix 1/4 of the wallpaper remover with 4500 ml of water.
Suha is going to use 750 mO of water.
How many millilitres of wallpaper remover should Suha use?
You must show your working."


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


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