Given:
Original level of cholesterol = 300
Cholesterol level reduced by 13% .
To find:
His present cholesterol level.
Solution:
According to the question,
Present cholesterol level = Present cholesterol level - 13% of Original level
[tex]\text{Present cholesterol level}=300-\dfrac{13}{100}\times 300[/tex]
[tex]\text{Present cholesterol level}=300-39[/tex]
[tex]\text{Present cholesterol level}=261[/tex]
Therefore, the present cholesterol level of Brian is 300.
