School 6

Jirka lives 600m from the school, Honzík 1200m. How many kilometers a week does Honzik go over Jirka on his way to school and back? How many times more Honzík will go than Jirka?

Correct result:

a =  6 km
b =  2


s1=5 2 0.600=6 s2=5 2 1.200=12 a=s2s1=126=6 kms_{1}=5 \cdot \ 2 \cdot \ 0.600=6 \ \\ s_{2}=5 \cdot \ 2 \cdot \ 1.200=12 \ \\ a=s_{2}-s_{1}=12-6=6 \ \text{km}

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