A car hire company uses the formula T=C+rhT = C + rhT=C+rh to calculate the total cost T T\,T for hiring a car for h h\,h hours, where C C\,C is a fixed charge and r r\,r is the rate per hour.
Make r r\,r the subject of the formula T=C+rhT = C + rhT=C+rh
Practise AQA GCSE Maths Rearranging Harder Formulae with exam-style questions for Foundation and Higher tier. 52 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.