Science, Maths & Technology
Starting with maths: Patterns and formulas
...adult is under- or overweight. It is calculated as follows: Although care needs to be taken in interpreting the results (for example, the formula isn't appropriate for children, old people or those with a very muscular physique!), a BMI of less than 20 suggests the person is underweight and a BMI of over 25 suggests the person is overweight. In this formula, the units...