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1. The following table show the world production of steel in 1920 - 1927. Study the table and answer the questions.
The average production of steel is:
= 77.0975 million tons
≈ 77.10 million tons
| Year | Production (in million tons) |
| 1920 | 71.30 |
| 1921 | 43.51 |
| 1922 | 67.66 |
| 1923 | 76.23 |
| 1924 | 77.23 |
| 1925 | 88.93 |
| 1926 | 91.75 |
| 1927 | 100.17 |
The average production of steel is:
Solution:
The average production during (1920 - 1927)= 77.0975 million tons
≈ 77.10 million tons