Question

a full roll of cloth contains d metres.when 18 metres have been sold the value of the remaining cloth is 25600 naira express the selling price of 1m of cloth in terms of d

Answer 1

Answer:

One fabric roll may contain 50 meters to 250 meters of fabric, it all depends upon linear meters per kgs. Lighter weight (gsm) fabrics will be more and heavier will be less in same roll weight. The length in one roll of fabric can be found with

The width of the fabric in centimeters.

GSM-Grams per square meter

1000/gsm/open width in centimeters/0.01= Meters/kg

For Example, A 62 inches 160 GSM fabric will be 1000/160/157.48/0.01= 3.97 meters /kg

Say one roll is 25kgs then 25x3.97= 99.25