the cost of 35 envelops is rupees 105. how much envelops can be brought for rupees 90.
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cost of 35 envelope =Rs105
cost of 1 envelope=105/35=Rs3
No. of envelopes can be bought for rupees 90= 90/3=30
cost of 1 envelope=105/35=Rs3
No. of envelopes can be bought for rupees 90= 90/3=30
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