Question

The cost of 75 envelops is rs.637.50. Find the cost of 23 envelops. How many such envelops cen be bought for rs.800 and how much money would be left?

Answer 1

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Answer 2

cost of 75 envelope is ₹637.50
cost of 1 envelope is 637.5/75 = ₹8.5
cost of 23 is 8.5*23 = ₹ 195.5

no. of envelops bought for 800 = 800/ 8.5 = 94.117, but, envelops can only be whole numbers , hence envelope = 94
cost of 94 envelopes = 94*8.5 = 799
therefore , money left = ₹1