sissygirl0807
17.04.2021 •
Mathematics
A science teacher presented a balloon to his class, and posed the question, "If I keep this balloon in the
freezer overnight, what will occur?" He followed up with, "How certain are you of your answer?" The
teacher recorded his students' responses.
Certain Uncertain
Shrink
5
7
Stay the same
11
15
Expand
4
4
What is the probability that a randomly selected student believes the balloon will expand or was certain?
Simplify any fractions.
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Ответ:
3m+m=24
4m=24
4 4
m=6
6 monkeys
24-6=18 lions