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 result:

x =  24 h

Solution:

a=2.5 h b=3.5 h n=4  x=n⋅ (a+b)=4⋅ (2.5+3.5)=24 h

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