Hiker

Hiker went half of trip the first day, the third of trip the second day and remaines 15 km. How long trip he planned?

Correct result:

s =  90 km

Solution:

xx/2x/3=15 16x=15 x=615=90 kmx-x/2-x/3 = 15 \ \\ \dfrac{1}{6} x = 15 \ \\ x = 6 \cdot 15 = 90 \ \text{km}

x-x/2-x/3 = 15

x = 90

Our simple equation calculator calculates it.



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