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VTMO 2014 — Grade 6 — semifinal Question 20

VTMO · VTMO 2014 — Grade 6 — semifinal

Question 20

Jerry runs two equal laps. The first speed is $200 m /$ min. What second-lap speed gives $240 m /$ min overall?
  1. $200$
  2. $240$
  3. $280$
  4. $300$
  5. $320$