Select all that apply. Which question openings correctly match the information requested?
To ask the footbridge's age: How old is the footbridge?✓Correct answer
To ask the number of empty lockers: How much lockers are empty?
To ask the number of empty lockers: How many lockers are empty?✓Correct answer
To ask the bus frequency: How long does the hourly bus run?
Explanation
Age pairs with how old, and a count of plural lockers pairs with how many. How much is for uncountable quantity, while frequency requires how often rather than how long.