Five girls think the river looks too cold for a swim. Tammy says she will swim if Debbie does. Holly says she will swim if Sammy does. Sammy says she will swim if Debbie does. Betty says she will swim if Tammy does.
Who has to start swimming for them all to swim?
Select one option, then click Submit.
Betty
Debbie
Holly
Sammy
Tammy
Select an option, then submit.
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Primary Mathematics Challenge 2007 (2007)
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