Can anyone help me to solve this problem?thanks
How much pure dye must be added to 4 gal of a 25% dye solution to increase the solution to 40% ? ( hint: pure dye is 100% dye)
Math Question!
2008-09-10 3:40 am
回答 (1)
2008-09-10 10:03 am
✔ 最佳答案
The answer is shown as follows:圖片參考：http://i277.photobucket.com/albums/kk75/uncle_michael/080910_mat_2.jpg?t=1220983349
收錄日期: 2021-04-25 13:39:59
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https://hk.answers.yahoo.com/question/index?qid=20080909000051KK01841