a rectangular plot with 6 square flower beds,each of side(y+3) metres. if each flower bed needs to be fenced at a cost of RS:1,750 per 100 metres,find the total cost of fencing the flower beds?
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Answer:
Given that
Side of one square flower bed =(x+2)m
Perimeter of one square flower bed =4×side=4×(x+2)m
Total perimeter of 5 square flower bed =5×[erimeter of one square
=5×4×(x+2)m=20(x+2)m
cost of fencing of 100m=Rs.50
Cost of 1m=Rs.
100
50
Cost of 20(x+2)m=
100
50
×20(x+2)=10(x+2)=Rs.(10x+20)
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