Rates, SM-Bank 090 MC Choon is travelling at 90 km/h in his car. If he maintains this speed, how many kilometres will he travel in 20 minutes? 3 22.5 30 110 Show Answers Only \(C\) Show Worked Solution \(\text{Distance}\) \(=\text{speed}\times \text{time}\) \(=90\times \dfrac{20}{60}\) \(=90\times \dfrac{1}{3}\) \(=30\ \text{km}\) \(\Rightarrow C\)