2 min di lettura
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.
Matematica di tutti i giorni
Percentuali, rapporti, conversioni di unità, date e orari.
2 articoli
1 min di lettura
Ratios and proportions
Simplify ratios, share amounts in a ratio, and solve proportions — the maths behind recipes, maps and scale models.