# Chalet

The children were on a school trip to the mountain . One third of the journey went by the train and continue by bus. When you get off the bus, they remained a third of the distance they traveled by bus. What part of journey children went by the bus (wrote as decimal and as fraction)?

Result

x =  0.5

#### Solution:

$s = ? \ km \ \\ \dfrac{1}{3}s + xs + \dfrac{x}{3}s = s \ \\ \dfrac{1}{3} + x + \dfrac{x}{3} = 1 \ \\ x = 0.5 = \dfrac{1}{2} \ \\$

1/3+x+x/3=1

4x = 2

x = 12 = 0.5

Calculated by our simple equation calculator.

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