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Marco has been saving his loose change for the past month. When Marco took his change to the bank, he received $11.42. He knows he had 83 coins in all. There were 18 nickels, 7 pennies, and the rest were quarters and dimes. To find out the number of quarters he had, Marco set up and solved the system of equations shown below. x + y = 58 0.10x +0.25y = 10.45 How many quarters did Marco have?

Marco has been saving his loose change for the past month. When Marco took his change to the bank, he received $11.42. He knows he had 83 coins in all. There were 18 nickels, 7 pennies, and the rest were quarters and dimes. To find out the number of quarters he had, Marco set up and solved the system of equations shown below. x + y = 58 0.10x +0.25y = 10.45 How many quarters did Marco have?

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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Marco has been saving his loose change for the past month. When Marco took his change to the bank, he received $11.42. He knows he had 83 coins in all. There were 18 nickels, 7 pennies, and the rest were quarters and dimes. To find out the number of quarters he had, Marco set up and solved the system of equations shown below. x + y = 58 0.10x +0.25y = 10.45 How many quarters did Marco have? O 31 O 27 10 25
Transcribed Image Text:Marco has been saving his loose change for the past month. When Marco took his change to the bank, he received $11.42. He knows he had 83 coins in all. There were 18 nickels, 7 pennies, and the rest were quarters and dimes. To find out the number of quarters he had, Marco set up and solved the system of equations shown below. x + y = 58 0.10x +0.25y = 10.45 How many quarters did Marco have? O 31 O 27 10 25
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