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9.5, 20.5, 30 and 3 are possible estimates for those numbers.

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7y ago
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7y ago

9.45 + 20.51 + 30.05 + 3.1 = 9.5 + 20.5 + 30 + 3= 10 + 20 + 30 + 3 (moving the .5 from 20.5 to 9.5)

= 60 + 3 = 63

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Q: What is the estimate for 9.45 20.51 30.05 3.1?
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