An adult has a waist circumference of 84 cm and a hip circumference of 105 cm. Use the equation.
waist-to-hip ratio=waist circumferencehip circumference \text{waist-to-hip ratio}=\frac{\text{waist circumference}}{\text{hip circumference}} waist-to-hip ratio=hip circumferencewaist circumferenceWhat is the waist-to-hip ratio?
0.21
0.80
0.44
1.25
44 exam-style questions on Edexcel GCSE Biology 5.4 Non-communicable diseases, covering 5.4.1 Interaction of factors in non-communicable disease, 5.4.2 Lifestyle factors and non-communicable disease, and 5.4.3 Treatments for cardiovascular disease. Each one has a worked solution and a mark scheme showing where the marks go.