Before a planned operation, an adult is advised to reduce their BMI to 24.0. The adult has a mass of 78.0 kg and a height of 1.65 m.
Use the equation.
BMI=mass (kg)(height (m))2 \mathrm{BMI}=\frac{\mathrm{mass\,(kg)}}{\left(\mathrm{height\,(m)}\right)^2} BMI=(height(m))2mass(kg)Calculate the percentage of their current body mass that the adult must lose to reach a BMI of 24.0.
Give your answer to three significant figures.
102 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.