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Rates, SM-Bank 038

Ant is travelling at 110 km/h in his car.

If he maintains this speed, how many kilometres will he travel in 1 hour and 20 minutes?  Give your answer correct to the nearest kilometre.   (2 marks)

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\(147\ \text{km}\)

Show Worked Solution
\(\text{Distance}\) \(=\text{Speed}\times \text{time}\)
  \(= 110\times \dfrac{80}{60}\)
  \(= 110\times \dfrac{4}{3}\)
  \(= 146.\dot{6}\ \text{km}\)
  \(=147\ \text{km  (nearest km)}\)