Mathematics for IGCSE & O level - Ratio And Proportion (Section 3 - No. 12)
The ratio of the length to width of a rectangle is 5:2. If the length is 15 cm, what is the width?
6 cm
8 cm
10 cm
12 cm
คำอธิบาย
Length:Width = 5:2. Length = 15, so the width is 2 * 3 = 6