Question

a saree is 5 m long and 1.3 m wide a border of width 25 cm is printed along it's side find the cost of printing the border at 1 per 10 cm​

Answer 1

Let ABCD be the saree and EFGH be the part of saree without border.

Length, AB= 5 m

Breadth, BC = 1.3 m

Width of the border of the saree = 25 cm = 0.25 m

∴ Area of ABCD = 5 m 1.3 m = 6.5 m2

Length, GH = {5 -( 0.25 + 0.25} m = 4.5 m

Breadth, FG = {1.3 - 0.25 + 0.25} m = 0.8 m

∴ Area of EFGH = 4.5 m .8 m = 3.6 m2

Area of the border = Area of ABCD − Area of EFGH

= 6.5 m2 − 3.6 m2

= 2.9 m2 = 29000 cm2 [since 1 m2 = 10000 cm2]

Rate of printing the border = Rs 1 per 10 cm2

∴ Total cost of printing the border = Rs

= Rs 2900

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