Zalogować się

Mathematics for IGCSE & O level - Ratio And Proportion (Section 1 - No. 15)

If the ratio of x to y is 4:7, and x = 12, what is the value of y?

7

14

21

28

Wyjaśnienie

4*3=12, thus 7*3=21

Uwagi (0)

Reklama