2 dk okuma
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.
Günlük matematik
Yüzdeler, oranlar, birim dönüşümleri, tarihler ve saatler.
2 makale
1 dk okuma
Ratios and proportions
Simplify ratios, share amounts in a ratio, and solve proportions — the maths behind recipes, maps and scale models.