Question

find the whole , if 45% of it is 9km

Answer 1

if 45 % is 9kms
then 5% will be 1km
then 100% will be 20 kms .
Simple answer.
Hope u Understood

Answer 2

Answer

2 km

Step by step explanation

45%= 45/100. 1 km = 1000m

9km = 9000m

9000×45/100x

x=90×45/1

x=2

So Answer is 2 Km