Question
The ratio of liquor and soda in a mixture of 50 liters
is 3:2. How much soda should be mixed to make the ratio 6:7?Solution
Total mixture = 50 liter Liquor              soda 3         :          2 30                   20 6         :          7 Let x liters of soda be added to the mixture. 30/20+x = 6/7 210 = 120+6x 6x = 90 X = 15 liter
12 of 8 - 9 ÷ 3 × 16 - 17 + 6 of 4 - 15
f(x)=x+ ∣ x ∣ , then the function is:
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