Learn English – **How many times and how much** in comparison

comparisonquestions

A is more expensive than B.

I can't find the rule for how to ask correct questions beginning with the above-mentioned question words. I thought of two variants:

How many times more expensive is A than B? or How many times is A more expensive than B?

How much is A more expensive than B? Or How much more expensive is A than B?

If there are some other ways to express the same idea it will be hepful.

Best Answer

Consider replacing "expensive" with another adjective like "great" which has a simpler comparative "greater".

*How many times more expensive is A than B?

Wrong, like "how many times greater is A than B".

How many times is A more expensive than B?

Grammatically OK, if you are looking for a ratio. Like "how many times is 10 greater than 2"? The answer is 5.

How much is A more expensive than B?

*How much more expensive is A than B?

Following the same logic, the second sentence is incorrect. The first is borderline - I would consider it OK in casual speech. See below for possible improvement...

...some other ways to express the same idea...

An good way would be

  1. By how much is A more expensive than B?

This asks for a difference, not for a ratio. An answer could be "by $1".

  1. By how much is B cheaper than A?

  2. How expensive is A compared to B?

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