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m_a_m_a [10]
3 years ago
13

In a race, the mean time for three runners was 12.4 seconds and the mean

Mathematics
1 answer:
Ne4ueva [31]3 years ago
4 0

Answer:

11.8

Step-by-step explanation:

3(12.4) + 6(11.5) =  37.2 + 69 = 106.2

106.2/9 = 11.8

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<h2>Good evening ,</h2>

<em><u>Answer</u></em>:

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<em><u>Step-by-step explanation:</u></em>

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