12. Three-fifth of senior students are girls;
a) What is the fraction of boys?
b) If there are...
Mathematics, 29.05.2021 23:00 Ezekielcassese
12. Three-fifth of senior students are girls;
a) What is the fraction of boys?
b) If there are 120 boys, how many girls are there?
Answers: 3
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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
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