Emily
Emily had 20 minutes to do a three-problem quiz. She spent 11 3/4 minutes on question A and 5 1/2 minutes on question B. How much time did she have left for question C?
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Dr Math
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Ingrid had 30 minutes to do a three-problem quiz. She spent 8 3/4 minutes on question A and 6 1/2 minutes on question B. How much time did she have left for question C?
A: According our mixed numbers calculator: https://www.hackmath.net/en/calculator/mixed-fractions?input=30-8%203/4%20-%206%201/2
30-8 3/4 - 6 1/2 = 14 3/4 min
Ingrid had 30 minutes to do a three-problem quiz. She spent 8 3/4 minutes on question A and 6 1/2 minutes on question B. How much time did she have left for question C?
A: According our mixed numbers calculator: https://www.hackmath.net/en/calculator/mixed-fractions?input=30-8%203/4%20-%206%201/2
30-8 3/4 - 6 1/2 = 14 3/4 min
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