grammatical number - Equal, is equal to, equals, are equal to


Which is correct?


Given 240 kph (240 kilometres per hour) = 149 mph (149 miles per hour)


How does one say this?



-240 kph equal 149 mph.
-240 kph equals 149 mph.
-240 kph is equal to 149 mph.
-240 kph are equal to 149 mph.



Is 240 kph singular or plural (kilometre or kilometres)?
Or 240 kph is a separate kind of thing?



Answer



Correct ones are:


240kph equals 149mph; 240kph is equal to 149mph;


In 240kph, kilometres is plural.


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