ExamPlay Dark Logo
Anmelden

Mathematics for IGCSE & O level - Ratio And Proportion (Section 6 - No. 22)

If 7 identical books cost $28, how much will 11 books cost?
$33
$38
$44
$55

Erläuterung

Cost per book = 28/7 = $4. Hence 11 books = 11 * 4 = $44

Kommentare (0)

Werbung