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Rs aggarwal solutions
Grade 6 
Mathematics
Mathematics class 6th RS Aggarwal
Ratio, Proportion and Unitary Method.
Ratio, Proportion and Unitary Method. Exercise 10C
Question 8
Mathematics
Mathematics class 6th RS Aggarwal
Ratio, Proportion and Unitary Method.
Ratio, Proportion and Unitary Method. Exercise 10C
Question 8
Ratio, Proportion and Unitary Method. | Ratio, Proportion and Unitary Method. Exercise 10C
Question 8
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)
4.5 g of an alloy of copper and zinc contains 3.5 g of copper. What weight of copper will there be in 18.9 g of the alloy?
Given 4.5 g of an alloy of copper and zinc contains 3.5 g of copper
For 1 g of an alloy will contain = 3.5 / 4.5
= 0.777 g of copper
1 g of an alloy will contain 0.777 g of copper
For 18.9 g of an alloy contain = 0.777 × 18.9
= 14.7 g of copper
Hence, 18.9 g of an alloy contains 14.7 g of copper
Question 8
4.5 g of an alloy of copper and zinc contains 3.5 g of copper. What weight of copper will there be in 18.9 g of the alloy?
Given 4.5 g of an alloy of copper and zinc contains 3.5 g of copper
For 1 g of an alloy will contain = 3.5 / 4.5
= 0.777 g of copper
1 g of an alloy will contain 0.777 g of copper
For 18.9 g of an alloy contain = 0.777 × 18.9
= 14.7 g of copper
Hence, 18.9 g of an alloy contains 14.7 g of copper
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