stephyd0802 stephyd0802
  • 12-02-2021
  • Mathematics
contestada

Mason has nickels and dimes. He has a total of 31 coins. The value of his coins is $2.65. How many nickels and dimes does he have?

Respuesta :

isaacf1890
isaacf1890 isaacf1890
  • 12-02-2021

Answer:

22 dimes, 9 nickels

Step-by-step explanation:

Ax+By=C

x+y=31

0.10x+0.05y=2.65

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