BBC Bitesize - GCSE Maths - Direct and inverse proportion - Edexcel - Revision 3
Direct variation describes a simple relationship between two variables. A proportional relationship is one in which two quantities vary directly with each other. Speed and travel time are Inversely Proportional because the faster we go the shorter the "4 people can paint a fence in 3 hours" means that t = 3 when n = 4. Inverse proportion is the relationship between two variables when their product is equal to a constant value. When the value of one variable.
- Отсюда выглядит просто отлично. Охранник покачал головой. В отчет вкралась какая-то ошибка?
- Мидж промолчала.