A2
for each
Dictionary examples:
I lose three pens per class. Where do they go? (0.0)
I make one mistake per second when typing fast! (0.0)
My dad tells ten dad jokes per family dinner. Oh no! (0.0)
The meal will cost $20 per person. (22.1)
There are more cafés per square mile here than anywhere else in the country. (30.9)
The car was traveling at 70 miles per hour (70 mph). (61.4)