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Rs aggarwal solutions

CHAPTERS

9. Linear Equations in One Variable

10. Ratio, Proportion and Unitary Method.

11. Line Segment, Ray and Line

13. Angles and Their Measurement

14. Constructions (Using a Ruler and a pair of Compasses)

18. Three – Dimensional Shapes

19. Two-Dimensional Reflection Symmetry (Linear Symmetry)

35 inland letters cost Rupees 87.50. How many such letters can we buy for Rupees 315?

Given 35 inland letters costs rupees 87.50

So, for rupees 1 we can buy = 35 / 87.50

= 0.4 inland letters

To buy for rupees 315 = 0.4 × 315

= 126 letters

**Hence, we can buy 126 inland letters for rupees 315**

35 inland letters cost Rupees 87.50. How many such letters can we buy for Rupees 315?

Given 35 inland letters costs rupees 87.50

So, for rupees 1 we can buy = 35 / 87.50

= 0.4 inland letters

To buy for rupees 315 = 0.4 × 315

= 126 letters

**Hence, we can buy 126 inland letters for rupees 315**

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