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Ian Nelson · Answer 1 · 2016-04-12T12:46:06+0000

you can add them or you can estimate by the numbers in the hundreds and tens place and a afterward adding those in the ones place.

Manuszep · Answer 2 · 2016-04-15T21:05:40+0000

You can answer it in two different ways by adding both then estimate them by the nearest hundred or by estimating both first then adding.