2 min lezen
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.
Alledaagse wiskunde
Procenten, verhoudingen, eenheden omrekenen, datums en tijden.
2 artikelen
1 min lezen
Ratios and proportions
Simplify ratios, share amounts in a ratio, and solve proportions — the maths behind recipes, maps and scale models.