claudiahelenaperez claudiahelenaperez
  • 03-09-2019
  • Mathematics
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The ratio of boys to girls on a swim team is 4:3. The team has 35 members. How many of the members are girls

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jdoe0001 jdoe0001
  • 03-09-2019

what we can do is divide the whole by the sum of the ratios, namely divide 35 by (4+3) and then distribute accordingly.

[tex]\bf \cfrac{boys}{girls}\qquad 4:3\qquad \cfrac{4}{3}\qquad \qquad \cfrac{4\cdot \frac{35}{4+3}}{3\cdot \frac{35}{4+3}}\implies \cfrac{4\cdot 5}{3\cdot 5}\implies \cfrac{20}{\underset{girls}{15}}[/tex]

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