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20. Tickets for a school play were $10 for adults and $6 for students. Total ticket sales were $2900. Write an equation to represent the ticket sales. How many adult tickets were sold if 275 students bought tickets?

20. Tickets for a school play were $10 for adults and $6 for students. Total ticket sales were $2900. Write an equation to represent the ticket sales. How many adult tickets were sold if 275 students bought tickets?

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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20. Tickets for a school play were $10 for adults and $6 for students. Total ticket sales were $2900. Write an equation to represent the ticket sales. How many adult tickets were sold if 275 students bought tickets? 21. Dakota is going to make a bead necklace for an Aboriginal event. The cost of 25 red beads and 15 green beads is $2.75. The cost of 7 red beads and 13 green beads is $1.65. Determine the cost of a red bead and the cost of a green bead. 22. The value of a nickel is 5¢ and the value of a quarter is 25¢. If there are 49 nickels and quarters that total $8.85 (885¢), how many nickels and quarters are there?
Transcribed Image Text:20. Tickets for a school play were $10 for adults and $6 for students. Total ticket sales were $2900. Write an equation to represent the ticket sales. How many adult tickets were sold if 275 students bought tickets? 21. Dakota is going to make a bead necklace for an Aboriginal event. The cost of 25 red beads and 15 green beads is $2.75. The cost of 7 red beads and 13 green beads is $1.65. Determine the cost of a red bead and the cost of a green bead. 22. The value of a nickel is 5¢ and the value of a quarter is 25¢. If there are 49 nickels and quarters that total $8.85 (885¢), how many nickels and quarters are there?
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