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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
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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

User PizzaPanther
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1 Answer

7 votes

Answer: 10 chemistry problems and 10 math problems

Explanation:

10(5)+10(4)=90 minutes

User Casterle
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