Question

Brian has reduced his cholesterol level by 13% after his last check up. If his original level was 300, what is his cholesterol level now?

Answer 1

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

$\text{Present cholesterol level}=300-\dfrac{13}{100}\times 300$

$\text{Present cholesterol level}=300-39$

$\text{Present cholesterol level}=261$

Therefore, the present cholesterol level of Brian is 300.