The table below presents subscriber numbers and annual operating revenue data for five regional divisions of a telecommunications provider in fiscal year 2025.
| Region | Total Broadband Subscribers (thousands) | Fiber-Optic Subscribers (thousands) | Total Operating Revenue ($ millions) |
|---|---|---|---|
| North | 250 | 150 | 45.0 |
| South | 400 | 200 | 64.0 |
| East | 180 | 90 | 27.0 |
| West | 320 | 224 | 57.6 |
| Central | 500 | 350 | 80.0 |
Across the two regional divisions with the highest total operating revenue combined, fiber-optic subscribers represent what percentage of total broadband subscribers? Express your answer to the nearest tenth of a percent.
Cevap: 61.1 %
Cevap
61.1%
To find the proportion of fiber-optic subscribers across the top two revenue-generating divisions, first rank the divisions by Total Operating Revenue: Central ( 64.0M) are the highest. Combine their subscriber counts to find the appropriate base: Central has 500 thousand total broadband subscribers and South has 400 thousand, giving a total base of thousand. Next, combine their fiber-optic subscribers: Central has 350 thousand and South has 200 thousand, giving thousand fiber-optic subscribers. The combined percentage is , which rounds to .
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Ratio, Proportion, and Percent Calculations across Filtered Aggregate Groups
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