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Example 14 - Cost of 105 envelopes is Rs 35. How many can be purchased

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Example 14 Cost of 1Number of envelopes purchased in Rs 35 = 105 Number of envelopes purchased in Rs 1 = 105/35 Number of envelopes purchased in Rs 10 = 105/35 × 10 = 21/7 × 10 = 3 × 10 = 30 ∴ 30 envelopes can be purchased for Rs 10 05 envelopes is Rs 35. How many envelopes can be purchased for Rs 10?

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.