Math  /  Numbers & Operations

Question8. There are 30 girls in Class 6 A .14 of them are wearing glasses. What percentage of all the girls are not wearing glasses?
Answer: \qquad \qquad of all the girls are not wearing glasses.
9. The table below shows the amount of different items of stationery Miss Wong has. What percentage of all the pens are red pens? \begin{tabular}{|c|c|c|c|} \hline Stationery & Pencil & Red pen & Blue pen \\ \hline Amount & 10 & 12 & 8 \\ \hline \end{tabular} \qquad of all the pens are red pens.
10. There are 120 fish in an aquarium. Among them, 20 are and the remaining are (a) \qquad %\% of all the fish are either or (b) \qquad \% of all the fish are

Studdy Solution
計算沒有戴眼鏡的女生的百分比:
(1630)×100%=160030%=53.3%\left(\frac{16}{30}\right) \times 100\% = \frac{1600}{30}\% = 53.\overline{3}\%
沒有戴眼鏡的女生的百分比是:
53.3%\boxed{53.\overline{3}\%}
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_ASSUMPTIONS_:
1. 紅筆和藍筆的總數是 12+8=2012 + 8 = 20
2. 我們需要計算紅筆佔所有筆的百分比。

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