# Math 6th grade, Circle graphs

by Haylee
(Manson, IA US)

Using Percentages

On average, 8 million adults listen to classical
music on the radio each day.

A. Estimate how many adults between the ages 35 and 44 listen to classical music

B. Estimate how many adults at least 45 years old listen to classical music on the

On the chart of ages the percent of listeners by ages I think is; A. 24% and B. 20%

 Jan 11, 2013 Using Percentages by: Staff ------------------------------------ Part II ``` Age Percent of Degree Listeners Measure ----- ------------- ----------- 18 – 24 11 % 11% × 360° = 39.6° (0.11 × 360°) 25 – 34 18 % 18% × 360° = 64.8° (0.18 × 360°) 35 – 44 24 % 24% × 360° = 86.4° (0.24 × 360°) 45 – 54 20 % 20% × 360° = 72° (0.20 × 360°) 55 – 64 11 % 11% × 360° = 39.6° (0.11 × 360°) 65 + 16 % 16% × 360° = 57.6° (0.16 × 360°) Age Percent of Number of Listeners Adults ----- ------------- ----------- 18 – 24 11 % 11% × 8 million = 880,000 adults (0.11 × 8000000) 25 – 34 18 % 18% × 8 million = 1,440,000 adults (0.18 × 8000000) 35 – 44 24 % 24% × 8 million = 1,920,000 adults (0.24 × 8000000) 45 – 54 20 % 20% × 8 million = 1,600,000 adults (0.20 × 8000000) 55 – 64 11 % 11% × 8 million = 880,000 adults (0.11 × 8000000) 65 + 16 % 16% × 8 million = 1,280,000 adults (0.16 × 8000000) ``` Thanks for writing. Staff www.solving-math-problems.com