the students of the university have increased by 100 per cent since 1978.by 100 per cent 是用来表示增加了一倍吗? 增加一倍,除了这种表示,上面的句子还可以用什么来表示增加了一倍?

Question

the students of the university have increased by 100 per cent since 1978.
by 100 per cent 是用来表示增加了一倍吗?

增加一倍,除了这种表示,上面的句子还可以用什么来表示增加了一倍?

Answer 1

have increased by 100 per cent since 1978
=have doubled compared with that of 1978
=have reached twice as many as that of 1978
=have reached twice as many as they were in 1978
=are twice as many as that of 1978
=are twice as many as they were in 1978