According to the diretions on a can of frozen orange juice concentrate,1 can of concentrate is to be mixed with 3 cans of water to make orange juice.How many 12-ounce cans of the concentrate are required to prepare 200 6-ounce servings of orange juice?
我选了100,是用200*6/12 算出来的,但答案是25
求问这题是什么意思?咋算的作者: bodkicker 时间: 2012-5-15 20:42
在一杯果汁中concentrate/水=1:3 所以要200servings of orange juice 就得有
200/1+3=50的concentrate。而concentrate是12盎司的 橙汁是6盎司的 所以除以2即可=25作者: sunnybyy 时间: 2012-5-16 06:27