- 藍∮玲Lv 71 0 年前最佳解答
e.g.The ratio of students to
teachers is 35:1.
e.g.1)The proportion of
imports to exports is ten to one, which is worrying the government.
e.g.2)The proportion of
imports to exports is worrying the government.
e.g.What percentage of children were absent?
fifty percent of the pupils here are girls.
e.g.2)The percentage of children absent was
The unemployment rate is rising in
The inflation rate
The population growth rate
The chemical reaction rate
The dissolving rate