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3. A laboratory assistant wants to make 10 liters of 40% acid solution. If solutions of 50% and 25% are available in the laboratory. How many liters of each must be mixed to prepare the solution?

3. A laboratory assistant wants to make 10 liters of 40% acid solution. If solutions of 50% and 25% are available in the laboratory. How many liters of each must be mixed to prepare the solution?

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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can be sold for $3.0 per pound? 3. A laboratory assistant wants to make 10 liters of 40% acid solution. If solutions of 50% and 25% are available in the laboratory. How many liters of each must be mixed to prepare the solution? 4. Tickets for a show cost $5.0 for the balcony seat and $12.0 for the orchestra seat. On Sunday 300 tickets were sold for the amount of $2,410.00. How many of each type of tickets were sold that day. 5. Smith spends $123 buying 8 shirts of two brand names, one brand sells for $12 and the other sells for $21 per shirt. How many shirts of each brand did he buy? %23
Transcribed Image Text:can be sold for $3.0 per pound? 3. A laboratory assistant wants to make 10 liters of 40% acid solution. If solutions of 50% and 25% are available in the laboratory. How many liters of each must be mixed to prepare the solution? 4. Tickets for a show cost $5.0 for the balcony seat and $12.0 for the orchestra seat. On Sunday 300 tickets were sold for the amount of $2,410.00. How many of each type of tickets were sold that day. 5. Smith spends $123 buying 8 shirts of two brand names, one brand sells for $12 and the other sells for $21 per shirt. How many shirts of each brand did he buy? %23
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