1
vote
2answers
21 views

Multiple quantities of an object that has a descriptor and units of measure

My question is probably best illustrated with an example: Four 2.25 hp electric motors were used to propel the vehicle. Is that correct? I feel like it can't be, but my friend is saying ...
2
votes
1answer
194 views

Hyphen in physical quantities before nouns?

In cases where a physical quantity (consisting of a number and a unit) is used like an adjective to describe a property of an object, should it be written with or without a hyphen between the number ...
1
vote
2answers
372 views

Usage of hyphens with numeric measurements

What is correct: two 1-Gb links; two 1 Gb links; or two 1Gb links? I suspect the first, however I do not know the name of this situation, which makes it difficult to for me to find via Google. I ...
3
votes
1answer
410 views

Is “They all had 15 minutes waits” grammatically correct? [duplicate]

Possible Duplicate: Pluralization rule for “five-year-old children”, “20 pound note”, “10 mile run” I was reading an article that used the phrase "15 ...