Which is an equivalent to to 752
O 1412
021-10
021-15

021-10

Step-by-step explanation:

The answer to this equation is 1412 or 21-15

12.4%

Step-by-step explanation:

The results from the random sample counts 124 from a total of 1000 people that wear contact lenses. This means is the percentageof the people in the sample that wear contact lenses.Because it is a random sample, it is suppose to reflect the behavior of the total population. Then we can expect or predict  similar percentage of Americans wearing contact lenses (12.4%).