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Math Help - ratio question hw

  1. #1
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    ratio question hw

    hi i really need help on this question please:

    a metal alloy is made from tin,iron and nickel in the ratio of 3:7:1 .

    How much iron is needed to mix with 150kg of tin?

    thank you
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  2. #2
    A riddle wrapped in an enigma
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    Quote Originally Posted by Blademaster View Post
    hi i really need help on this question please:

    a metal alloy is made from tin,iron and nickel in the ratio of 3:7:1 .

    How much iron is needed to mix with 150kg of tin?

    thank you
    Hi Blademaster,

    3 : 7 : 1 is the same ratio as 150 : 350 : 50

    We just multiplied the first ratio by 50.
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  3. #3
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    o right i see now i didnt think it was that simple =) thanks
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