Alex, Bob and Carl go for a walk every day. If Alex doesn't wear a hat, then Bob wears

Mathematics

1 answer:

bazaltina [42]2 years ago

3 0

Answer:

Carl and Alex are wearing hats.

Step-by-step explanation:

If Bob doesn't isn't wearing a hat, then Carl is, so Carl clearly is wearing a hat.

Now let's look at Alex. If he wasn't wearing a hat, then Bob would be wearing one. (If Alex doesn't wear a hat, then Bob wears

a hat). The logical conclusion is that Alex must be wearing a hat as well.

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