A goldsmith sells gold at Rs 3,500 per gm and diamond at Rs 1,000 per gm. He sold a particular diamond ring made of gold weighing 5 gm for Rs. 13, 500. If the weight of the diamond in the ring is x gm, find 5x.
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Given:–A goldsmith sells gold at Rs 3,500 per gm and diamond at Rs 1,000 per gm. He sold a particular diamond ring made of gold weighing 5 gm for Rs. 13, 500.
Solution:–
Let weight of diamond in the ring is x gm .
so,
→ weight of gold = (5 – x) gm .
then,
→ Total cost = Rs.13500
→ 3500 * (5 – x) + 1000 * x = 13500
→ 17500 – 3500x + 1000x = 13500
→ 2500x = 17500 – 13500
→ 2500x = 4000
→ x = (4000/2500)
→ x = (8/5)
therefore,
→ 5x = 5 * (8/5) = 8gm (Ans.)
Learn more :-
the average age of 30 students is 9 years if the age of their teacher is included it becomes 10 years ago the age of the…
Given :– A goldsmith sells gold at Rs 3,500 per gm and diamond at Rs 1,000 per gm. He sold a particular diamond ring made of gold weighing 5 gm for Rs. 13, 500.
Solution :–
Let weight of diamond in the ring is x gm .
so,
→ weight of gold = (5 – x) gm .
then,
→ Total cost = Rs.13500
→ 3500 * (5 – x) + 1000 * x = 13500
→ 17500 – 3500x + 1000x = 13500
→ 2500x = 17500 – 13500
→ 2500x = 4000
→ x = (4000/2500)
→ x = (8/5)
therefore,
→ 5x = 5 * (8/5) = 8 gm (Ans.)
Learn more :-
the average age of 30 students is 9 years if the age of their teacher is included it becomes 10 years ago the age of the…
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