Question

A reactangular plot is 40m long and 16m board.A road of uniform width of 2m surrounds the plot inside it. Find the cost paving the road with bricks at Rs.15 per square metre and also find the cost of covering the remaining part of the plot with grass at Rs.9 per square metre
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Answer 1

please mark on brain list please

Answer 2

Answer:

Step-by-step explanation:

$3120 and $3888

Step-by-step explanation:

width of the road=2m

outer Rectangle, I = 40m, b = 16m

Inner Rectangle, I = 36m, b = 12m

Area of Outer rectangle = 40x16=

= 640m2

Area of inner Rectangle = 36x12

= 432m2

Area of the road=640-432 =208m2

cost of paving bricks = $15

=208x15 = $3120. Ans

Area of inner Rectangle 432m2

cost of covering with grass = $9

= 432x9= $3888.