Which equations model the most reasonable estimate of the difference?
b and c
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Find the difference. 786 â 213
573
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432 â 176
256
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Which equations model the most reasonable estimate of the sum? 719 + 189
b or c
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256 + 365
621
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706 â 427
279
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The third graders have 250 erasers and scissors in the school store. They sell 47 erasers and 33 pens. How many erasers and scissors are left in the store? Show your work.