A salesman's commission is 5 on all sales upto Rs. 10,000 and 4% on all sales exceeding this . He remits Rs
31,100 to his parent company after deducting his commission. Find the total sales.
Let his total sales be Rs. `x` . Now, (total sales ) - (Commission) = Rs. 31,100
`:.` `x` - [5% of 10000 + 4% of (`x `- 10000)] = 31100
`hArr x - [5/100 xx 10000 + 4/100 (x - 10000)]` = 31100 `hArr x - 500 - (x - 10000)/(25)` = 31100
`hArr x - x/25 = 31200 hArr (24x)/(25) = 31200 hArr x = ((31200 xx 25)/(24))` = 32500.
`:.` Total sales = Rs. 32,500.
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