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Mathematics
20.01.2020 15:02
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The number of pupils in a school rises by 8%. There used to be 850 pupils. how many

The number of pupils in a school rises by 8%. There used to be 850 pupils. how many are there now?
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valdezavery9018
valdezavery9018
4,9(13 marks)

Answer: There are 918 pupils now.

โ€ข Rise in percentage:

\dashrightarrow \: { \tt{(100 \% + 8\%) = 108\% }}

โ€ข let current number of pupils be n

{ \tt{n}}\dashrightarrow \: { \tt{108\% \times 850}} \\ \\ { \tt{n = \frac{108}{100} \times 850}} \\ \\ { \tt{n = 918 \: pupils}}

ohgeezy
ohgeezy
4,9(67 marks)

there are 918 pupils now.


The number of pupils in a school rises by 8%. There used to be 850 pupils. how many are there now?
rar79
rar79
4,6(21 marks)

r

Step-by-step explanation:

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