The table shows income, expenditure (rupees million) and profit percentage of a company, 2017 to 2022. The profit percent in 2022 rose by 33 and one-third percent over the previous year. Dashes are missing values to be calculated if required.
| Year | Income | Expenditure | Profit (%) |
|---|---|---|---|
| 2017 | 103.824 | — | 12 |
| 2018 | — | 83.8 | 25 |
| 2019 | 95.76 | 84 | — |
| 2020 | 113.28 | — | 20 |
| 2021 | 133.1 | 110 | — |
| 2022 | 121.6 | — | — |
The expenditure in 2020 is what percentage more than the expenditure in 2017 (round off to two decimal places)?
The 2020 expenditure is about 1.83% more, so the answer is 1.83.
The 2020 expenditure, from income 113.28 at 20% profit, is 94.4.
The 2017 expenditure, from income 103.824 at 12% profit, is 92.7.
The excess is 94.4 minus 92.7, which is 1.7.
The percentage more is 1.7 divided by 92.7 times 100.
This works out to about 1.83%.
Both expenditures are recovered by dividing income by one plus the profit rate before comparing.
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