TSA 2010 · Question 31 · Optimisation
SaveRachel intends to buy some toiletries for her five brothers as a present. She thinks that Rex would like aftershave, Tom talc, Magnus body spray and the twins, James and Henry, would like shower gel. They all have a liking for "Jasmine" brand. Her budget is a maximum of £10.00 and if she can spend less so much the better. She finds that the items are available in combination packs as well as individually. Prices are:

What is the least amount of money Rachel must spend?