Unit 12 · Multi-Step Conditional Reasoning
Darren vs Monaro — Whose Claim Is Correct?
Lesson 13 of 16
About this lesson
Darren and Monaro have each won 3 matches and are about to play each other. Alyssa says at least one will qualify (need 4 wins from 5). Emily says they can't both qualify. Only one of them is right — and the key is tracing what happens after their match, then checking whether the loser can still reach 4 wins.
Chapters
Question
| In the first round of a tennis competition every player plays 5 matches.
To qualify for the second round a player must win at least 4 of their matches.
Darren and Monaro have both won all of their first 3 matches. They are about to play each other.
| There are no draws in tennis. |
|---|
Alyssa: "At least one of Darren and Monaro will qualify for the second round."
Emily: "Darren and Monaro can't both qualify for the second round."
If the information in the box is true, whose reasoning is correct?
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