Question

square park is surrounded by a path 5 m wide if the cost of gravelling the path at rhe rate of rs 1.60 per m² is rs 760 find the cost of the developing thw park at the rate of rs 12 per m²​

Answer 1

Answer:

52500,

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Step-by-step explanation:

Given inner side of square park,

s=

100 cm

Area of inner square

=

100 2

10000 cm

2

width of path,

w=

5 cm

Outer side of square

=

100+

5+

5=

110 cm

Area of outer square =

110 2

12100 cm

2

Area of path

=

12100−

10000=

2100 cm

2

Cost of cementing at the rate of Rs 250per10sq cm =Rs

250× 210=

52500

∴ Cost of cementing a 2100 cm

2

path

=

Rs. 52500