introduction to linear polynomials (ganita manjari – class 9 chapter 2) – Discussion Forum

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Kriti

Asked: May 21, 2026In: Class 9 Maths

A rectangular garden of length l metres and width w metres has to be fenced and decorated. A wire fence is to be laid along the length costing rupees 100 per metre and a wooden fence is to be built along the width costing rupees 80 per metre. Special seeds have to be sown throughout the garden which will cost rupees 50 per square metre.

The total cost of decorating the garden is found by adding fencing and seed costs. Wire fencing costs 200l rupees, wooden fencing costs 160w rupees and seeds cost 50lw rupees. Therefore, total cost equals 200l + 160w + 50lw.