2 min bacaan
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.
Matematik harian
Peratusan, nisbah, penukaran unit, tarikh dan masa.
2 artikel
1 min bacaan
Ratios and proportions
Simplify ratios, share amounts in a ratio, and solve proportions — the maths behind recipes, maps and scale models.