Mathematics, 07.07.2021 04:50, normarjohnson
A scientist needs 80 liters of a 30% solution of alcohol. She has a 20% solution and a 60% solution available. How many liters of the 20% solution and how many liters of the 60% solution should she mix to make the 30% solution?
Answers: 2
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Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling
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(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.
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