Type 2 - Find the ratio using alligation concept
9. Altering Product Strength 9.2) Alligation 9.2.1) Alligation
9.2.1.1) Alligation Normal 1
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In what ratio should you mix 9% and 4.8% sources of an ointment in order to obtain a product with strength of 6.2%?
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lb equals 1 : 2 kg
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The alligation tic-tac-toe will have a structure like this:
`[[9 %,\quad\quad\quad\quad, 1.4 pt],[\quad\quad\quad\quad,6.2 % , \quad\quad\quad\quad],[4.8 %,\quad\quad\quad\quad,2.8 pt]]`
Therefore, 1.4 parts should be taken from the source of 9%, and 2.8 parts should be taken from the source of 4.8%.
`therefore` the ratio will be `(1.4)/(2.8)` or `(1.4/1.4)/(2.8/1.4)` `=> 1` : `2`. Ans.