Math

An investor receives a total of Rs.5,700 per annum in interest from 3 stocks yielding 4%, 5% and 8% per annum respectively. The amount at 4% is Rs.20,000 more than the amount invested at 5%, and the interest from the 8% investment is 8 times the interest from the 5% investment. Amount of money invested in each stock is:

  1. 👍 0
  2. 👎 0
  3. 👁 892
  1. Let the amounts invested at the three rates be x,y,z. Now just write down the facts as given:

    .04x + .05y + .08z = 5700
    x = y + 20000
    .08z = 8 * .05y

    Now just solve for x,y,z.

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