Which equations model the most reasonable estimate of the difference?
b and c
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eraser
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star
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gift
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banana
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15
409 + 437
846
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15
432 â 176
256
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15
Which equations model the most reasonable estimate of the sum? 719 + 189
b or c
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20
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.