Question

1. runners in the half marathon entered in three waves. there were 341 runners in the first wave, 295 runners in the second wave, and 316 runners in the third wave. if seven out of eight runners finished the race, how many did not finish?

Explanation:

Step1: Calculate total number of runners

Add the number of runners in each wave: \(341 + 295+316\).

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Step2: Find the fraction of non - finishers

Since \(7\) out of \(8\) finished, the fraction of non - finishers is \(1-\frac{7}{8}=\frac{1}{8}\).

Step3: Calculate number of non - finishers

Multiply the total number of runners by the fraction of non - finishers: \(952\times\frac{1}{8}\).

$$952\div8 = 119$$

Answer:

\(119\)