Question

10% of a journey is 72 km. How long is the whole journey?
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Answer 1

Answer:

let the whole journey be xkm

so,

10%of x =72

10x/100=72

x=720

hence,whole journey =x=720km

Answer 2

Answer:720 km

Step-by-step explanation:if 10% = 720

Then,

Multiplying 10 in both side

10×10= 72× 10

100= 720

So, in the journey will be 720km in 100%