Katie, Jessica, Matthew, Chloe, Mark, and Steven have just been found dead in a
ID: 3145716 • Letter: K
Question
Katie, Jessica, Matthew, Chloe, Mark, and Steven have just been found dead in a river bank. Each of them died a different way and at different times. Let’s investigate how each person was killed and at what time to build a case.
According to our data, the times of the murders were 4:00pm, 1:00am, 10:00pm, 4:00am, 7:00pm, and 3:00am. From a recent autopsy, it was concluded that the victims’ various deaths were caused by being strangled, hit and run, shot, stabbed, poisoned, and drowned.
Turn these true statements into conditional statements in if-then form!
a) Jessica has a gun in her house that is always loaded.
b) Jessica’s boyfriend, who she’s been having trouble with, comes over every afternoon a little before dinner.
c) Chloe has to wake up around 5:00am every morning for school; although she likes to take late night walks that still allow her four hours of sleep.
Explanation / Answer
The contrapositive is always useful!
a) Jessica has a gun in her house that is always loaded.
If all guns in a house are not always loaded, then the house is not Jessica's.
b) Jessica’s boyfriend, who she’s been having trouble with, comes over every afternoon a little before dinner.
If a person does not come over a little before dinner some afternoon, then he is not Jessica's boyfriend, who she’s been having trouble with.
c) Chloe has to wake up around 5:00am every morning for school; although she likes to take late night walks that still allow her four hours of sleep.
If a person who does not like to take late night walks that allows her four hours of sleep or does not have to wake up around 5:00am every morning for school, the person is not Chloe.
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