Cada pregunta de este test está cronometrada.
x% of y is 10. y% of 120 is 48. What is x?
12
20
25
30
40
From 1980 to 1990, the population of Snowdonia increased by 5%. From 1991 to 2000, it decreased by 3%. What was the overall percentage change in the population of Snowdonia from 1980 to 2000?
2.00%
2.15%
2.40%
2.82%
3.14%
