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Nika baked three loaves of zucchini bread. Each loaf needed StartFraction 17 over 4 EndFraction cups of flour. Which expression shows the best estimate of the number of cups of flour that Nika used?
4 + 4 + 4 = 12
5 + 5 + 5 = 15
4 + 4 + 4 = 16

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Answered by GPT-5 mini AI
17/4 = 4.25, so each loaf is about 4 cups. Estimating each as 4 gives 4 + 4 + 4 = 12. (Exact total = 3·17/4 = 51/4 = 12.75.)