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28 July, 03:46

Four people invested in a restaurant. One person invested $100,000. Two others invested in

the ratio x:2x, and the fourth person invested an amount equal to the other three investors

combined. The total investment was $ 1,100,000.

Part A

Write an expression for the amount invested by the fourth person.

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Answers (1)
  1. 28 July, 03:51
    0
    x=$150,000

    4th person invested $550,000

    Step-by-step explanation:

    100,000+x+2x + (100,000+x+2x) = 1,100,000

    200,000+6x=1,100,000

    6x=900,000

    x=150,000

    The investment of the fourth person is 100,000+3x

    =100,000+450,000

    =$550,000
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