8th Grade Algebra

I need help with these problems:

1) A vending machine takes only nickels and dimes. There are 5 times as many dimes as nickels in the machine. The face value of the coins is $4.40. How many of each coin are in the machine?

2) A vending machine takes only nickels and dimes. At the end of the day there were 3 times as many nickels as dimes and a total of $25. How much of each coin were in the machine?

I know that there should be two equations for each problem. But I just don't know what the equations will be.
Please help.

  1. 👍
  2. 👎
  3. 👁
  1. 1) D=5N
    .10D+.05N=4.40

    2) N=3D
    you do the value equation as I did above.

    1. 👍
    2. 👎
    👤
    bobpursley
  2. Thank You.

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. math 213

    The amount of money in cents in a jar containing some nickels and d dimes and some quarters if there are 4 times as many nickels as dimes and twice as many quarters as nickels

  2. Algebra (Mrs.Sue) thank you :)

    Sal keeps quarters,nickels, and dimes in a jar. He has a total of 52 coins. He has three more quarters than dimes and five fewer nickels than dimes. How many dimes does sal have?

  3. MATh please help

    Helen has$1.35 in her bank in nickels and dimes. There are 9 more nickels than dimes. Find the number she has of each kind.

  4. math

    1. Ms.lynch has 21 coins in nickels and dimes. Their total value is $1.65. How many of each coin does she have? 2. A vending machine that takes only dimes and quarters contains 30 coins, with a total value of $4.20. How many of

  1. Algebra

    Hailey has 40 nickels and dimes and has a total of $2.85. How many dimes does she have? 'I got -23 nickels bit i don't think that's right.

  2. math

    In the following, write an expression in terms of the given variables that represents the indicated quantity: a. The cost of having a plumber spend h hr at your house if the plumber charges $30 for coming to the house and $x per

  3. Algebra

    Dylan has $2.30 in dimes and nickels. The dimes exceed nickels by 5. Find the# of each kind. let x= nickels= Let x+5= dimes= 2.3=(.05)x+(.10)x+5 2.3= .05x+.10x+5.1 2.3=.15x+5.1 -2.8= .15x -18.666666666repeating=x what did i do

  4. Algebra

    Can you please help on this Algebra problem? Keana's piggy bank contains $4.30 in nickels and dimes only. If she has 59 coins in her ban, then what is the sum of the digits in the number of nickels in Keana's bank? Write a system

  1. Math

    Mr.Adams had a coin collection including only nickels, dimes, and quarters He had twice as many dimes as nickels and half as many quarters as he had nickels. If the total face value of his collection was $300.00, how many quarters

  2. Algebra

    This is a word problem I am supposed to solve with systems. I am having trouble setting it up if anyone could help me. A coin bank contains only dimes and nickels. The bank contains 46 coins. If 5 dimes and 2 nickels were removed

  3. algebra

    Lucy has $1.35 in nickels and dimes in her pocket. If she has six more dimes than nickels, which equation can be used to determine x, the number of nickels she has?

  4. Math

    In a collection of nickels, dimes, and quarters worth &6.90, the ratio of the number of nickels to dimes is 3:8. The ratio of the number of dimes to quarters is 4:5. Find the number of each type of coin. Use a coin value chart to

You can view more similar questions or ask a new question.