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LampPro Tip 1/3
Quantifying CostsPlay
Use 'per' to talk about prices in relation to a unit of measure. SlideGasoline is sold per litre.
LampPro Tip 2/3
Rate FrequencyPlay
Use 'per' to specify the frequency of an occurrence within a time period. SlideShe goes to the gym five times per week.
LampPro Tip 3/3
Statistical FiguresPlay
Use 'per' when providing statistical information, such as ratios or averages. SlideThere are 35 students per teacher in this school.