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soldier1979 [14.2K]
2 years ago
13

Eric Has some quarters and nickels in his pocket he has 30 total count the total value is $3.70 write a system that could be use

d to find you the number of quarters in and n the number of Nickels
Mathematics
1 answer:
julsineya [31]2 years ago
7 0

Answer:

  • q + n = 30
  • 0.25q + 0.05n = $3.70

Step-by-step explanation:

After defining variables as ...

  q = number of quarters

  n = number of nickels

we can write two equations. One of them expresses the total number of coins:

  q + n = 30

The other expresses the total value of the coins:

  0.25q + 0.05n = 3.70

_____

The solution to these equations is (n, q) = (19, 11).

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