Posted by **lauren** on Monday, August 18, 2014 at 4:26pm.

estimate the total weight of two boxes that weigh 9.4lb and 62.6 lb using rounding and compatible numbers. Which estimate is closer to the actual total weight? why?

thanks!

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**Damon**, Monday, August 18, 2014 at 4:34pm
9 + 63 = 72 using rounding which happens to be exact and I also call 9 and 63 compatible numbers since adding 9 to anything is super easy.

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**Ms. Sue**, Monday, August 18, 2014 at 4:36pm
10 + 62 = 72 lbs.

9 + 63 = 72 lbs.

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**Mrs. Kopecky**, Wednesday, September 10, 2014 at 8:32pm
9+63=72 or 10+62

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**April session **, Tuesday, September 22, 2015 at 8:28pm
Estimate the total weight of two boxes that weight 9004 lb in 62000 or 6 lb using rounding and compatible numbers which estimate is closer to the actual total weight why

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