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dime

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    Jason has an equal number of nickels and dimes. The total value of his nickels and dimes is $2.25. H

    Jason has an equal number of nickels and dimes. The total value of his nickels and dimes is $2.25. How many nickels does Jason have? Let the number of nickels be n Let the number of dimes be d We're given two equations: d = n 0.05n + 0.1d = 2.25 Substitute equation (1) for d into equation...
  2. math_celebrity

    A collection of nickels and dime has a total value of $8.50. How many coins are there if there are 3

    A collection of nickels and dime has a total value of $8.50. How many coins are there if there are 3 times as many nickels as dimes. Let n be the number of nickels. Let d be the number of dimes. We're give two equations: n = 3d 0.1d + 0.05n = 8.50 Plug equation (1) into equation (2) for n...
  3. math_celebrity

    Liz harold has a jar in her office that contains 47 coins. Some are pennies and the rest are dimes.

    Liz harold has a jar in her office that contains 47 coins. Some are pennies and the rest are dimes. If the total value of the coins is 2.18, how many of each denomination does she have? Set up two equations where p is the number of pennies and d is the number of dimes: (1) d + p = 47 (2) 0.1d +...
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