Question

$35$ inland letters cost $Rs.87.50$. Show how many such letters can we buy for $Rs.315$?

Answer 1

If 35 letters cost Rs. 87.50,
the cost of 1 letter will be= 87.50/35
=Rs. 2.5.
The number of letters that can be bought for Rs.315 would be,
315/2.5=126