Working days weeks

A. How many working days are there in 4 weeks?
B. Susan has 7 euros in her cash register. Her brother has 5 times more. How much more money does the brother have?

Final Answer:

A =  20 d
x =  28 eur

Step-by-step explanation:

$A=4\cdot 5=20\text{d}$

$$\begin{gathered} Z=7\text{eur} \\ B=5\cdot Z=5\cdot 7=35\text{eur} \\ x=B-Z=35-7=28\text{eur} \end{gathered}$$

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