Question 21
In area X, the rainfall for three months is: 120 mm, 150 mm, and 90 mm. In area Y, the rainfall for three months is: 130 mm, 140 mm, and 100 mm. Which area has the higher average rainfall, and by how many millimeters?
Editorial answer-entry convention: enter the region and the difference, using the format “region, difference mm”. Give the difference either exactly as a fraction or rounded to one decimal place. The original Vietnamese asks only for the region; the extra component is requested here for consistent bilingual input. This rounding convention is editorial, not printed in the source.
Editorial answer-entry convention: enter the region and the difference, using the format “region, difference mm”. Give the difference either exactly as a fraction or rounded to one decimal place. The original Vietnamese asks only for the region; the extra component is requested here for consistent bilingual input. This rounding convention is editorial, not printed in the source.