Question

distribuição de diferentes raças.
propriedade de cães
pastores alemães $\frac{1}{5}$
beagles $\frac{1}{5}$
golden retrievers $\frac{2}{5}$
bulldogs $\frac{1}{5}$

1. se 100 cães são registrados, quantos mais deles são golden retrievers do que beagles? $square$

Explanation:

Step1: Find number of Golden Retrievers

Total dogs = 100, fraction of Golden Retrievers = $\frac{2}{5}$. So number is $100\times\frac{2}{5}=40$.

Step2: Find number of Beagles

Fraction of Beagles = $\frac{1}{5}$. Number is $100\times\frac{1}{5}=20$.

Step3: Find the difference

Subtract Beagles' count from Golden Retrievers': $40 - 20 = 20$.

Answer:

20