ninjaboi1 ninjaboi1
  • 12-07-2017
  • Mathematics
contestada

suppose you have 30coins that total to $2.10 some of these coins are pennies and the rest are dimes which system of equations can be solved to find the number of each type of coin you have

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maytemendez0513Mayte maytemendez0513Mayte
  • 13-07-2017
20 dîmes and 10 penny's
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