John travels $$\frac{2}{3}^{rd}$$ of a distance by bike and remaining 6 km on foot. How many km does he travels in the whole journey?
Given that John travels $$\frac{2}{3}^{rd}$$ of a distance by bike.
Then, Remaining $$\dfrac{1}{3}rd$$ distance is travelled on foot.
Given, 6 km is travelled on foot.
$$\dfrac{1}{3}Â ---> 6 km$$
Then, $$1Â Â --->Â Â ?$$
$$= \dfrac{1\times6}{(\dfrac{1}{3})} = 6\times3 = 18 km$$
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