I have the Trays coursework (http://www.aqa.org.uk/qual/pdf/AQA-3...-Set-Tasks.pdf) to do, and i need some help.
I've made a table with different depths, with surface area of sides and base, volume, which shows that what the shopkeeper says is right, what do I do next? What else is needed?
Speedy replies appreciated, this is due in very soon!
Here's what to do next...