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Of the 800 participants in a marathon, 120 are running to raise money for a cause. How many participants out of 100 are running for a cause?

A. 8
B. 20
C. 15
D. 12

Answer :

To find how many participants out of 100 are running for a cause we can use the next proportion:

[tex]\frac{800\text{ total participants}}{100\text{ total participants}}=\frac{120\text{ running for a cause}}{x\text{ running for a cause}}[/tex]

Solving for x:

[tex]undefined[/tex]

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