2 min de lecture
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.
Maths du quotidien
Pourcentages, rapports, conversions d’unités, dates et heures.
2 articles
1 min de lecture
Ratios and proportions
Simplify ratios, share amounts in a ratio, and solve proportions — the maths behind recipes, maps and scale models.