60.6k views
2 votes
alan used 9 as an estimated for 3 7/10 + 5 4/10. he added and got for the actual sum. is alan's answer reasonable ?

User Silgon
by
6.6k points

1 Answer

2 votes
3 7/10 + 5 4/10 = 8 11/10 = 9 1/10

so estimate = 9
actual answer = 9 1/10

yes, his answer is reasonable
User Zilongqiu
by
6.4k points
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