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.
Sobriety Checkpoints Sobriety checkpoints (also called DUI checkpoints) are locations where law enforcement officers are stationed to check drivers for signs of intoxication and impairment. Many jurisdictions utilize sobriety checkpoints as part of their larger drunk driving deterrence program.