Mathematics, 30.07.2019 14:20 uaodiase

18) you have 90 minutes to complete at least 18 chemistry and math problems. it takes 5 minutes to complete a chemistry problem and 4 minutes for each math problem. which is a possible solution to this situation? a) 7 chemistry problems and 15 math problems b) 9 chemistry problems and 12 math problems c) 10 chemistry problems and 10 math problems d) 12 chemistry problems and 8 math problems

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