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Rates, SM-Bank 075 MC

Esther can run 5 kilometres in 20 minutes.

Running at the same speed, how long will it take Esther to run 3 kilometres?

  1. 12
  2. 33
  3. 120
  4. 300
Show Answers Only

\(A\)

Show Worked Solution
\(\text{Minutes per kilometre}\) \(=\dfrac{20}{5}\)
  \(=4\)

 

\(\text{Minutes for 3 kilometres}\) \(=3\times 4\)
  \(=12\ \text{minutes}\)

\(\Rightarrow A\)

Filed Under: Rates Tagged With: num-title-ct-core, smc-4609-50-Word problems rates, smc-4609-60-Speed

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