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PSYCHO15rus [73]
3 years ago
7

Please due in 1 hour

Mathematics
2 answers:
dsp733 years ago
8 0

I hope that helped you

Pepsi [2]3 years ago
5 0

9514 1404 393

Answer:

  • d + q = 44
  • 0.10d +0.25q = 8.30

Step-by-step explanation:

The first equation describes the total number of coins. It says the sum of the numbers of dimes and quarters is 44, the total number of coins.

__

The second equation describes the total value of the coins. It will say that 0.10 times the number of dimes plus 0.25 times the number of quarters is 8.30, the total dollar value of the coins.

The two equations are ...

  d + q = 44

  0.10d +0.25q = 8.30

__

<em>Additional comment</em>

The solution can be found by substituting for d:

  0.10(44 -q) +0.25q = 8.30

  0.15q = 3.90

  q = 26

  d = 44 -26 = 18

Vinnie has 18 dimes and 26 quarters in his bag.

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