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Saif went to school 204 days out of the year. Determine the number of days the school was open if his attendance is 85%.

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200

220

240

280

answer is C.

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Detailed Solution

Given the number of days Saif attended school = 204.
His attendance percent is 85%.
Let the number of days school was open be ‘x’.

⇒ 85 %

x = 204

\Rightarrow \frac{85}{100} \times x = 204

\Rightarrow \frac{17 x}{20} = 204

\Rightarrow x = \frac{204 \times 20}{17}

\Rightarrow x = 240

The number of days school was open were 240.
Hence, option 3 is correct.

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