一到英文数学题Mary’s height increased by 20% between her 5th birthday and her 10th birthday.It increased by 15% between her 10th birthday and her 15th birthday,and it increased by 10% between her 15th birthday and her 20th birthday.By how mu
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![一到英文数学题Mary’s height increased by 20% between her 5th birthday and her 10th birthday.It increased by 15% between her 10th birthday and her 15th birthday,and it increased by 10% between her 15th birthday and her 20th birthday.By how mu](/uploads/image/z/10076159-47-9.jpg?t=%E4%B8%80%E5%88%B0%E8%8B%B1%E6%96%87%E6%95%B0%E5%AD%A6%E9%A2%98Mary%E2%80%99s+height+increased+by+20%25+between+her+5th+birthday+and+her+10th+birthday.It+increased+by+15%25+between+her+10th+birthday+and+her+15th+birthday%2Cand+it+increased+by+10%25+between+her+15th+birthday+and+her+20th+birthday.By+how+mu)
一到英文数学题Mary’s height increased by 20% between her 5th birthday and her 10th birthday.It increased by 15% between her 10th birthday and her 15th birthday,and it increased by 10% between her 15th birthday and her 20th birthday.By how mu
一到英文数学题
Mary’s height increased by 20% between her 5th birthday and her 10th birthday.It increased by 15% between her 10th birthday and her 15th birthday,and it increased by 10% between her 15th birthday and her 20th birthday.By how much did her height increase between her 5th birthday and her 20th birthday?
一到英文数学题Mary’s height increased by 20% between her 5th birthday and her 10th birthday.It increased by 15% between her 10th birthday and her 15th birthday,and it increased by 10% between her 15th birthday and her 20th birthday.By how mu
设mary 5岁时体重为1,
那么她十岁时,体重为:1*(1+20%)=1.2,
她15岁时,体重为:1.2*(1+15%)=1.38,
她20岁时,体重为:1.38*(1+10%)=1.518,
所以她20岁时比5岁时,体重增加了,51.8%
楼上的,人家问的是身高,不是体重