Question

Cost of 105 envelopes is Rs. 350. How many envelopes can be purchased for Rs. 100?

Answer 1

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Given that cost of 105 envelopes = ₹ 350

Cost of 1 envelope = 105/350

No. of envelope that can be purchased for ₹ 100 = 105/350 × 100 = 30

Hence, 30 envelopes can be purchased for ₹ 100.

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Answer 2

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Cost of 105 envelopes is Rs. 350. How many envelopes can be purchased for Rs. 100?

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Cost of 105 envelopes is rs. 350

let,

Cost of x envelopes is rs. 100

105/x = 350/100

x=30 envelopes.

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