Problems from Fraction as a percentage

Development:

1. We have to calculate the result of the operation $50\cdot {\displaystyle \frac{30}{100}}$, which is $15$.
2. We have to c alculate the result of the operation $30\cdot {\displaystyle \frac{50}{100}}$, which is $15$.
3. The result corresponds to calculate $32\cdot {\displaystyle \frac{20}{100}}$ which is equivalent to $6,4$.

Solution:

1. $15$
2. $15$
3. $6,4$

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