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dalvyx [7]
4 years ago
7

A runner competes in a local marathon. He places 34th which is exactly the top 40% of all runners. How many runners competed

Mathematics
1 answer:
laiz [17]4 years ago
6 0

Answer:

85 runners

Step-by-step explanation:

we know that

34th represent 40% of all runners

so

using proportion

Find out the total number of runners

\frac{34}{40\%}=\frac{x}{100\%}\\\\x=34(100)/40\\\\x= 85\ runners

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Answer:

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Step-by-step explanation:

Explanation:

The first day is independent from the day before. Therefore the first day probability (of rain) is 20 percent.

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Finally, the third day (it must be rainy to satisfy the total probability) rainfall probability is 85 percent.

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3 years ago
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6 0
4 years ago
1. 5% of $30 =
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Step-by-step explanation:

Good luck!

3 0
3 years ago
Please help i don't know...
Darya [45]

Answer:

8x + 8

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5 0
3 years ago
Grace's father gave her a nickel. If she had 64¢ before her father gave her the nickel, how much money did she have after gettin
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