For every $2.50 she invested, she got back $9.00. When she closed her account she got a total of $108.00 . How much did she invest?

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  • sepia
    Lv 7
    2 months ago

    Her investment was $30.

  • 2 months ago

    For every $2.50 she invested, she got back $9.00.

    When she closed her account she got a total of $108.00 .

    Hence she had invested $30.

  • Matt
    Lv 4
    2 months ago

    Is that 108 the total with ammount invested? Or ammount from just the $9 thing?

    (108÷9)×2.50 = $30

  • 2 months ago

    Not much to make a living

    Also, cross multiplication.

    (2.50/9.00)=(x/108.00)

    Not sure how much SF you need

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  • 2 months ago

    Not enough invested.

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