Type 1 - Alligation basic tic-tac-toe

9. Altering Product Strength 9.2) Alligation 9.2.1) Alligation

9.2.1.1) Alligation Normal 1


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How many grams of 6 % of a powder do you need to mix with 39 % of a powder in order to obtain 12 g of 9 % of a mixture?


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lb equals 10.91 g kg

    Tic-tac-toe, Short form:

    `[[39 %,\quad\quad\quad\quad, 3 pt],[\quad\quad\quad\quad,9 % (12\quad g), \quad\quad\quad\quad],[6 %,\quad\quad\quad\quad,30 pt]]`

    Tic-tac-toe, Long form:

    `[[39 %,\quad\quad\quad\quad, 3 pt, => 12 g × (3 pt)/(3 pt+30 pt)=, 1.09 g],[\quad\quad\quad\quad,9 % (12\quad g), \quad\quad\quad\quad, \quad\quad\quad\quad, \quad\quad\quad\quad],[6 %,\quad\quad\quad\quad,30 pt,=> 12 g × (30 pt )/(3 pt+30 pt)= ,10.91 g]]`

    Therefore, 10.91 g of 6 % will be required.