A shop sells small chocolate bars and large chocolate bars.
Small chocolate bars are sold in packs of 5. Large chocolate bars are sold in packs of 8.
On one day
the number of packs of:the number of packs ofsmall chocolate bars sold:large chocolate bars sold=4:3 \begin{array}{ccc} \text{the number of packs of} & : & \text{the number of packs of} \\ \text{small chocolate bars sold} & : & \text{large chocolate bars sold} \end{array} = 4 : 3 the number of packs ofsmall chocolate bars sold::the number of packs oflarge chocolate bars sold=4:3A total of k k\,k chocolate bars were sold.
Work out the number of small chocolate bars sold in terms of kkk.
222 exam-style questions on Eduqas GCSE Maths Ratio. Each one has a worked solution and a mark scheme showing where the marks go.