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
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
![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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1c3d4b5b-7c63-4562-84e8-65fa84143989%2Fe82e0bf9-7ccc-41ad-8575-752e440cf4ce%2Fscntgvr_processed.png&w=3840&q=75)
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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