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  • 17-09-2021
  • Mathematics
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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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Аноним Аноним
  • 17-09-2021

Answer:

Answer: There are 918 pupils now.

• Rise in percentage:

[tex] \dashrightarrow \: { \tt{(100 \% + 8\%) = 108\% }}[/tex]

• let current number of pupils be n

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

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