Range Expressions

greater than or equal to (inclusive)
Only people aged 18 or older can watch this movie.
A score of 70 or above is required to pass.
Shipping is free for purchases of 5,000 yen or more.
less than or equal to (inclusive)
Please keep your luggage at 5 kg or less.
Children aged 12 and under are free.
Roads freeze when the temperature drops to zero degrees or below.
less than (exclusive)
People under 20 cannot drink alcohol.
You can apply if your income is less than 3 million yen.
Children under 140 cm in height cannot ride this attraction.
Does not include the boundary number itself. In the first example, someone who is exactly 20 can drink.
greater than (exclusive)
The population has exceeded 100 million.
Please avoid going out on days when the temperature exceeds 35 degrees.
This service has surpassed 1 million users.
Does not include the boundary number itself. In the first example, exactly 100 million would not count as 超えた.
within (inclusive)
Please reply within one week.
I live within a 10-minute walk from the station.
Please keep the budget within 10,000 yen.
Includes the boundary itself. Replying on exactly the 7th day still counts as within the deadline.