math

a number machine takes any number put into it, multiplies it by 3 and then subtracts 2. reuben put a number into the machine. he took the new number that came out and put that number back into the machine. He took the new number that came out and put that back into the machine. the number that came out this time was 271. what number did reuben originally put into the machine?

  1. 👍 0
  2. 👎 0
  3. 👁 169
  1. first round:
    x --> 3x --- >3x-2

    2nd round:
    3x-2 ---> 9x-6 ---> 9x-8

    3rd round:
    9x-8 ---> 27x - 24 ---> 27x - 26

    27x - 26 = 271
    27x = 297

    x = 11

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    find each sum or difference 1. -1/2 + 1/3 1. -1/6 2. -1/3 3. 2/3 4. 1/6 I got 2/3 because I added the 2 numerators and got 2 then I kept the LCM as the denominator so I got 2/3. 2. -3 1/5 + -6 1/2 1. -3 2/7 2. -3 7/10 3. -9 2/7 4.

  2. math

    mr. henderson has 2 bouncy ball vending machines. he buys one bag of the 27 millimeter balls and one bag of the 40 millimeter balls. he puts an equal number of each in the machine. how manu bouncy balls does he put in each

  3. 5 of 90 lotto equation formula

    Example: on 5 Feb. 2011, draws were::: 44 – 68 – 90 – 64 – 66 and 12 Feb. 2011, draws were::: 89 – 27 – 12 – 49 – 40 Each draw has a corresponding machine number. For instance, the machine numbers for the 5 Feb.

  4. Math

    Start at 500. Create a pattern that subtracts 4 from each number. Stop when you have 5 numbers.

  1. college finite math

    A product may be made using Machine I or Machine II. The manufacturer estimates that the monthly fixed costs of using Machine I are $17,000, whereas the monthly fixed costs of using Machine II are $14,000. The variable costs of

  2. Computer Science

    Answer the following question without running the code. The procedure isMyNumber is used to hide a secret number (integer). It takes an integer x as a parameter and compares it to the secret number. It returns: -1 if the parameter

  3. Math

    Start at 5. Create a pattern that multiplies each number by 3 and subtracts 2. Stop when you have 5 numbers.

  4. Math 6th grade

    Which phrase represents the expression 7 x + 2? I put two times a number plus seven Here are the other choices: seven times two plus a number two less than a number multiplied by seven a number multiplied by seven then added to

  1. Math

    Create a pattern that multiplies each number by2 and then adds 1. Stop when you have 5 numbers. 2 x 2 = 4 + 1 = 5 3 x 2 = 6 + 1 = 7 4 x 2 = 8 + 1 = 9 5 x 2 = 10 + 1 = 11 6 x 2 = 12 + 1 = 13 Is this correct?

  2. Math

    Start a 4. Create a pattern that multiplies each number by 4 and then adds 3. Stop when you have 5 numbers. Can someone please help me out?

  3. mathematics

    start at 1 create a pattern that multiplies each number by 2 stop when u have 5 numbers

  4. Math

    Start at 5. Create a pattern that multiplies each number by 2. Stop when you have 4 numbers.

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