Question

A man uses 9 cm to represent 252 km. If the distance between the two cities on a map is 21 cm, how many kilometres apart are the cities?​

Answer 1

Answer : 588 km

Step-by-step explanation:

A certain cartographer took 9cm to represent a actual distance of 252km

252 km = 252 × 10^5 cm

therefore ,

9 cm = 252 × 10^5 cm

therefore distance indicated by 1cm

1 cm = 252×10^5

9

1cm = 28×10^5

If on the same map the distance between two cities is 21 cm , then the actual distance between them is,

21 cm = (28×10^5 ) × 21 cm

=(28×21) × 10^5 cm

= 588 × 10^5 cm

therefore ,

21 cm = 588×10^5

to convert the actual distance into 'km '

21 cm = 588×10^5

1,00,000

21 cm = 588 km

therefore the actual distance between the two cities is 588 km

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Answer 2

Step-by-step explanation:

निर्माण में बनी है प्लीज मार्ग में ब्रेनलिएस्ट