rate

[Unregistered]

Hi there,
Is 'rate' singular or plural in the following sentences?

The crime rate has been on the increase.
The bank interest rate has increased.
The economic rate has increased.

Thanks
yung

 

[Anglika]

singular.

"crime rates/bank rates/economic rates" for plural rates.

 

[peter123]

Hi there,

Then how about this?

The crime rates of USA are on the increase. OR
The crime rate of USA is on the increase.

Thanks
pete