2 min czytania
How to calculate percentages: the three types of problem
How to solve percentage problems of all three kinds — a percentage of an amount, one number as a percentage of another, and percentage change — with checked examples.
Matematyka na co dzień
Procenty, proporcje, zamiana jednostek, daty i godziny.
Artykuły: 2
1 min czytania
Ratios and proportions
Simplify ratios, share amounts in a ratio, and solve proportions — the maths behind recipes, maps and scale models.