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A pet survey found that the ratio of dogs to cats is 2/5. Write and solve a proportion that shows the number of dogs
if the number of cats is 140.

Sagot :

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So,

The ratio of dogs to cats:
[tex] \frac{2}{5} [/tex]

The other proportion:
[tex] \frac{x}{140} [/tex]

[tex] \frac{2}{5} = \frac{x}{140} [/tex]

5 times 28 is 140.

Multiply the fraction by the appropriate form of 1
[tex] \frac{2}{5} * \frac{28}{28} = \frac{56}{140} [/tex]

There are 56 dogs when the number of cats is 140.
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