ExamPlay Dark Logo
Registrazione

Mathematics for IGCSE & O level - Ratio And Proportion (Section 3 - No. 13)

The ratio of boys to girls in a class is 2:5. If there are 14 girls in the class, how many students are there in total?
4
7
20
21

Spiegazione

2:5. 14=5*2, 2*2=4. 14+4 =21

Commenti (0)

Annuncio