$\"\"$

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(a)

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The number of people $\"\"$ who show symptoms at time $\"\"$ is $\"\"$ .

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Find number of people show symptoms after $\"\"$ days.

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Number of days is $\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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Number of people show symptoms after $\"\"$ days is $\"\"$ .

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$\"\"$

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(b)

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Solve the equation for $\"\"$ .

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$\"\"$

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Apply logarithm on each side.

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$\"\"$

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Apply power rule of logarithm : $\"\"$ .

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$\"\"$

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Apply property of logarithm : $\"\"$ .

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$\"\"$

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$\"\"$ .

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The equation of $\"\"$ is $\"\"$ .

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$\"\"$

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(c)

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Find how many days one person shows symptoms.

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Number of persons $\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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It take $\"\"$ days for one person to shows symptoms.

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$\"\"$

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(a) Number of people show symptoms after $\"\"$ days is $\"\"$ .

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(b) The equation of $\"\"$ is $\"\"$ .

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(c) It take $\"\"$ days for one person to shows symptoms.