antoinettekinla antoinettekinla

09-09-2014
Mathematics

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the ratio of red poms to yellow poms on a float is 5 to 7. if there are 392 yellow poms on the float, how many red poms are there? a. 549 b.390 c. 280 d. 56

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mariamikayla mariamikayla

09-09-2014

[tex]5:7=x:392 \\ \\ \frac{5}{7}=\frac{x}{392} \\ \\ x=\frac{5*392}{7} \\ \\ x=5*56 \\ \\ \boxed{x=280 \ red \ poems}[/tex]

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