Mathematics for IGCSE & O level - Ratio And Proportion (Section 1 - No. 18)
Which of the following statements are true?
A ratio can be expressed with different units.
Ratios are fractions.
Ratios can be simplified by dividing each term by the same factor.
Ratios express a relationship between two or more quantities.
Wyjaśnienie
Units should be the same, ratios represent relationships. They are similar to fractions and can be simplified.