ExamPlay Dark Logo
Войти

Mathematics for IGCSE & O level - Ratio And Proportion (Section 5 - No. 1)

If 9 similar books cost $36, what will 5 such books cost?
$15
$20
$24
$28

Объяснение

Cost per book = 36/9 = $4. 5 books= 5*4=20

Комментарии (0)

Реклама