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Maths Puzzle
Numerical Ability
(2x-3)^2=25
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1/3|2x-1|<1
A certain creme mixture contains 12 grams of creme A, 18.6 grams of petrolatum, and 30 grams univase. The pharmacist needs to make a 480-gram mixture containing the same ratio of ingredients. How much of each ingredient should she include?