A company that makes hair-care products had 7,000 people try a new shampoo. Of the 7,000 people, 28 had a mild allergic reactio

Question

3 years ago

12

n. What percent of the people had a mild allergic reaction?

1 answer:

makvit [3.9K] · Answer 1 · 2022-04-22T09:15:54+03:00

5 0

Answer: 0.4%

Step-by-step explanation:

First, a porportion needs to be set up.

part/whole = percent/100

28/7,000 = x/100

Second, cross multiply.

2800=7,000x

x=0.4

A company that makes​ hair-care products had 7,000 people try a new shampoo. Of the 7,000 people, 28 had a mild allergic reactio