Question

2 dogs/ 3 cats and 10 dogs/ 15 cats are an example of

Answer 1

2 dogs/ 3 cats and 10 dogs/ 15 cats are an example of

b. Equivalent ratios
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$\frac{10 \: dogs}{15 \: cats} = \frac{5 \times 2 \: dogs}{ 5 \times 3 \: cats} = \frac{2 \: dogs}{3 \: cats}$

We can see that they are equivalent ratios.