Acompany that makes hair-care products had 8000 comma people try a new shampoo. of the 8000 comma people, 24 had a mild allergic reaction. what percent of the people had a mild allergic reaction?

0.3 percent of the people had a mild allergic reaction

Step-by-step explanation:

Given:

Number of comma people try a new shampoo  =  8000

Number of people who had a mild allergic reaction = 24

To Find:

Percent of the people had a mild allergic reaction = ?

Solution:

Let the percent of the people had a mild allergic reaction be x

Then,

x =

x =

x=

x=  0.3

ad = ae + ed = y + 7

similar triangles therefor

ac/ab = ad/ae

6/4 = (y + 7) / y

cross multiply

6y = 4(y + 7)

6y = 4y + 28

2y = 28

y = 14

step-by-step explanation: