Concept explainers
a.
To find: the percent of music sold for each music categories after one year.
a.
Answer to Problem 35IP
After one year the percent of music sold for each music categories are shown as:
Style of music | Percent of music sold after one year |
Rock | 34 |
Rap/ hip hop | 12 |
Pop | 7 |
country | 13 |
Explanation of Solution
Given information:
The table provided in the question:
Style of music | Percent of music sold | Percent change after one year |
Rock | 33 | +1 |
Rap/hip hop | 10 | +2 |
Pop | 9 | -2 |
country | 14 | -1 |
Calculation : from the above table it can be observed that after one year the percent increase and decreases, so add and subtract ,
Style of music | Percent of music sold | Percent change after one year | Percent of music sold after one year |
Rock | 33 | +1 | 34 |
Rap/hip hop | 10 | +2 | 12 |
Pop | 9 | -2 | 7 |
country | 14 | -1 | 13 |
b.
To find: to find the total percent change in the sale.
b.
Answer to Problem 35IP
After one year the total percent change in sale is
Explanation of Solution
Given information:
The table provided in the question:
Style of music | Percent of music sold | Percent change after one year |
Rock | 33 | +1 |
Rap/hip hop | 10 | +2 |
Pop | 9 | -2 |
country | 14 | -1 |
Calculation : from the above table it can be observed that after one year the percent change,
To find the total percent change add the all percent change,
Thus, After one year the total percent change in sale is
Chapter 2 Solutions
Glencoe Math Accelerated, Student Edition
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