Question

A company that makes​ hair-care products had 3 comma 000 people try a new shampoo. Of the 3 comma 000 ​people, 12 had a mild allergic reaction. What percent of the people had a mild allergic​ reaction?

Answer 1

0.4%

Explanation:

In a company that makes​ hair-care products, if 3,000 people try a new shampoo and 12 people had a mild allergic reaction, the percentage of people that had mild allergic reaction can be expressed as;

Number of people allergic/total people that tried a new shampoo × 100%

= 12/3000×100

= 1200/3000

= 0.4%

This shows that 0.4% of the people had a mild allergic​ reaction

Answer 2

0.4%

Explanation:

12/3,000 = 0.4%