Latest exam Aptitude Question SOLUTION: Chemist must mix 30 % insecticide soln with 50% insecticide soln. (same insecticide) to obtain 200 L of a 42 % insecticide soln. Please help with 2 stage linear system of equation

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(#M40073804) EXAM Numerical Ability question Keep an EYE

Chemist must mix 30 % insecticide soln with 50% insecticide soln. (same insecticide) to obtain 200 L of a 42 % insecticide soln. Please help with 2 stage linear system of equation and demonstrate resolution. THX

Asked In exam (9 years ago)

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