Mathematics, 22.01.2021 19:00, yaniravivas79

Esther had 20 minutes to do a three-problem quiz. She spent 9 3 4 minutes on question A and 4 1 2 minutes on question B. How much time did she have left for question C?

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Esther had 20 minutes to do a three-problem quiz. She spent 9 3 4 minutes on question A and 4 1 2 mi...