Mathematics for IGCSE & O level - Ratio And Proportion (Section 4 - No. 13)
A model car has a length and a width in a ratio of 5:2. The actual width of the car is 1.6 meters. What is the actual length of the car?
0.64 m
2.4 m
4 m
5 m
설명
If 2 parts correspond to 1.6 m, then each part = 0.8 m. Length which is 5 parts = 5*0.8= 4m