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1.5 hours are "One hour and half" or "One and half hours"?

Examples:

He will be there in 1.5 hours.

I spend there 1.5 hours.

Virtuous Legend
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1 Answers1

2

It's either "one and a half hours" (plural because it's more than one hour) or "one/an hour and a half".

Victor B.
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