From 1980 to 1989, total consumption of fish in the country of Jurania increased by 4.5 percent, and total consumption of poultry products there increased by 9.0 percent. During the same period, the population of Jurania increased by 6 percent, in part due to immigration to Jurania from other countries in the region.
If the statements above are true, which of the following must also be true on the basis of them?
【选项】In 1989 Juranians consumed twice as much poultry as fish.
If the statements above are true, which of the following must also be true on the basis of them?
【选项】In 1989 Juranians consumed twice as much poultry as fish.
