my-korean1-2nd-ed

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Rate and Ratio Particle +에 ‘per’
UNIT 9 얼마예요?
When we are using numbers, we often want to specify a price or an amount in
terms of another quantity. (For example $10 per kilo, 2000 calories per
person, 3 times per week, lemons are $2 for 3.) To do this in Korean, add the
particle +에 to the unit of measurement (the quantity which comes after ‘per’
in English). This amount comes before the rate (price, etc.) amount in
Korean.
1 킬로에 10 달러 10 dollars per kilo
Examples:
(1) 손님: 저 포도 얼마예요? How much are those grapes?
점원: 일 킬로그램에
구천 원이에요.
(2) 손님: 저 돼지고기 일 킬로에
얼마예요?
9,000 won per kilogram.
How much is one kilo of
that pork?
점원: 일 킬로에 육천 원이에요. 6,000 won per kilo.
(3) 손님: 소고기 얼마예요? How much is the beef?
점원: 육백 그램에*
오만 원이에요.
50,000 won for 600 grams.
(600g (육백 그램) is often used (rather than 1 kilogram or 500 grams)
because it approximates an old Korean measure.)
(4) 손님: 저 사과 얼마예요? How much are the apples?
점원: 세 개에 만 원이에요. 10,000 won for 3.