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Rashmi Has a Road Map with a Scale of 1 Cm Representing 18 Km. She Drives on a Road for 72 Km. What Would Be Her Distance Covered in the Map? - Mathematics

Rashmi has a road map with a scale of 1 cm representing 18 km. She drives on a road for 72 km. What would be her distance covered in the map?

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Solution

Let the distance represented on the map be x cm.

The given information in the form of a table is as follows.

Distance covered on road in (in km) 18 72
Distance represented on map (in cm) 1 x

The distances covered on road and represented on map are directly proportional to each other. Therefore, we obtain

`18/1 = 72/x`

`=> x = 72/18 = 4`

Hence, the distance represented on the map is 4 cm

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APPEARS IN

NCERT Class 8 Maths Textbook
Chapter 13 Direct and Inverse Proportions
Exercise 13.1 | Q 8 | Page 208
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