Mathematics, 28.05.2021 01:00 morgeron6071
Question 9
A pharmacist needs 100 gallons of 50% alcohol solution. She only has a 30% solution and an 80%
solution available. How much of the 80% solution should she use?
40 gallons
B
50 gallons
Π‘
70 gallons
D
30 gallons
Answers: 3
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Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?
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Question 9
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