Percentage distribution of total population of six cities A–F, and percentage of adults within each. Population of City A = 257400.
| City | Population (%) | Adults (%) |
|---|---|---|
| A | 23.4 | 77 |
| B | 21.6 | 68 |
| C | 8.4 | 73 |
| D | 18.9 | 75 |
| E | 17.5 | 69 |
| F | 10.2 | 72 |
The non-adult population of City F is
A33448
B32040
C30102
D31416 ✓ Correct
Correct answer: (D) 31416
Explanation
The answer is 31416.
Since City A is 23.4 percent of the total and equals 257400, the total population is 1100000.
City F is 10.2 percent of the total, which is 112200.
Its non-adult share is 100 minus 72, which is 28 percent.
So the non-adult population is 28 percent of 112200.
That is 31416.
So the answer is 31416.
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