mireyarivas2004 mireyarivas2004
  • 11-10-2022
  • Mathematics
contestada

7.
Write and solve the system of equations needed to model this situation: You have thirty coins
a total value of $3.40, which are made up of nickels, dimes, and quarters. There are twice as many
nickels than quarters. How many of each type of coin do you have?

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