I'm so lost with this math problem
...
Answers: 3
Mathematics, 21.06.2019 15:00
Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
Answers: 1
Mathematics, 21.06.2019 20:00
Which statement about the annual percentage rate (apr) is not true?
Answers: 3
Mathematics, 21.06.2019 20:20
Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.
Answers: 2
Social Studies, 28.09.2019 21:00
Business, 28.09.2019 21:00
Mathematics, 28.09.2019 21:00
Mathematics, 28.09.2019 21:00
Social Studies, 28.09.2019 21:00
Biology, 28.09.2019 21:00
Chemistry, 28.09.2019 21:00
History, 28.09.2019 21:00