Question

英文数学题，请大家帮忙，谢谢！

Each ounce of whole milk contains twice as many calories as an ounce of skim milk . a mixture of 4 ounces of whole milk and 2 ounces of skim milk contains at least 100 calories .what is the minimum number of calories in each ounce of whole and skim milk ? 请大家写英文步骤，谢谢！

Answer 1

你好
题意如下：每盎司全脂奶的热量是每盎司脱脂奶的两倍。4盎司全脂奶和2盎司脱脂奶混合后至少含有100卡路里的热量。那么每盎司全脂奶和脱脂奶最少分别含多少热量？
解法如下：设每盎司脱脂奶含x卡路里的热量，则每盎司全脂奶含2x卡路里热量
则4*2x+2x>=100
10x>=100
x>=10
每盎司全脂奶至少含20卡路里热量，每盎司脱脂奶至少含10卡路里热量
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Answer 2

100÷6=50/3