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every yellow marble is -half the orange marbles are -half of all expensive marbles are yellow. there are 40 yellow marbles and 25 expensive marbles that are niether yellow nor orange. how many orange marbles are there?

  • homework -

    if every yellow is expensive, there are 40 expensive marbles that are yellow

    half the expensives are yellow, meaning there are 80 expensive marbles in all.

    That means there are 40 expensives that are not yellow.

    there are 25 expensives that are not orange (or yellow). There are 40 non-yellow expensives.

    So, there are 15 expensive orange marbles, and that's half of all the oranges.

    There are 30 orange marbles.

  • homework -

    x is defined as one more than the number of digit in the number x. For example , 1000=5. For what value cua x will x = x .

  • homework -

    People should not have this question .someone give me answers

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