An advertiser with stores throughout the country could use Location Extension Targeting to:

An advertiser with stores throughout the country could use Location Extension Targeting to:

• A) Target users in the same way across all of their locations
• B) Target users who are within 10 miles of one particular city in the country
• C) Target users who are within 20 miles of one particular city in the country
• D) Decrease bid by 50% for users who are within 10 miles of their stores

Correct answer is:

• C) Target users who are within 20 miles of one particular city in the country

Explanation: Location extension makes all your business addresses available for any campaign or ad group on the Search, Display, or Search with Display Select networks.You can add multiple addresses by linking your account to Google My Business.Google will automatically pick the best information to be shown to users in the ad.

Read more: https://support.google.com/partners/answer/2404182?hl=en