Alice 2

Alice is swimming 2.5 hours every Saturday and 3.5 hours every Sunday. How many hours does she swim in 4 weeks?

Correct answer:

x =  24 h

Step-by-step explanation:

$$\begin{gathered} a=2.5\text{ h } \\ b=3.5\text{ h } \\ n=4 \\ x=n\cdot (a+b)=4\cdot (2.5+3.5)=24\text{ h} \end{gathered}$$

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