2 years ago

Heyyyy help meeee please

Mathematics

1 answer:

abruzzese [7]2 years ago

6 0

Step-by-step explanation:

$\frac{2}{3} of \: 54 = 36 \\ \\ \frac{1}{6} of \: 54 = 9 \\ 36 + 9 = 45 \\ 54 - 45 = 9$

therefore, 9 students haven't given their speech

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