tiana7892 tiana7892

19-03-2019
Mathematics

contestada

Help plz answer this

Help plz answer this class=

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kkgymanst kkgymanst

19-03-2019

Just round them then add together

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cblue8282 cblue8282

19-03-2019

Answer:

First choice: 58 seconds.

Step-by-step explanation:

27.8 is approximately 28 seconds, because 8 ≥ 5, so the number rounds up.

30.12 is approximately 30 seconds, since 1 < 5.

So, 28 + 30 is 58. Therefore, 27.8 + 30.12 ≈ 58.

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