Question

the circle graph to the right shows the percent of health club membership. by age , in a certain country. a certain club had 400 members in a recent year. answer the question assuming the graph also applies to this health club.estimate the number of health club members at this health club between the ages of 18 and 34. chose rhe correct below a: 12b: 40c: 120d: 1200

Answer 1

Given:

Total members = 400

Percentage of members 17 and younger = 8%

Percentage of members aged 18 - 34 = 31%

Percentage of members aged 35 - 54 = 35%

Percentage of members aged 55 plus = 26%

To find the number of members between the ages of 18 and 34, use the formula below:

$\text{Number of members aged 18 and 34 = percentage aged 18 and 34 }\ast\text{ Total members}$

Thus, we have:

$\text{Number ages 18 and 34 = }\frac{31}{100}\ast400=0.31\ast400=124$

Therefore, the number of health club members at this health club between the ages of 18 and 34 is 124

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