7/12-(1/4). first you need a common denominator which is 12. in the first fraction we already have a 12, so we don't need to multiply times anything, but the second fraction already has a 4, so what times 4 is 12, 3.
a place along a road, border, etc., where travelers are stopped for inspection. 2. a point or item, especially in a procedure, for notation, inspection, or confirmation. Origin of checkpoint. 1935-1940.
verb (used without object), patrolled, patrolling. 1. (of a police officer, soldier, etc.) to pass along a road, beat, etc., or around or through a specified area in order to maintain order and security. verb (used with object), patrolled, patrolling. 2. to maintain the order and security of (a road, beat, area, etc.) by passing along or through it. noun. 3. a person or group of persons assigned to patrol an area, road, etc. 4. an automobile, ship, plane, squadron, fleet, etc., assigned to patrol an area.