The sum of two integers is 15. If one integer is -12 find the other integer. *
write statement also
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Solution:
Length of wall= 4.5m
Breadth of the wall= 3.6m
Length of the door =2m
Breadth of the door= 1m
Area of the wall = l\times b=4.5m\times3.6m=\ 16.20m^2l×b=4.5m×3.6m= 16.20m
2
Area of the door = l\times b=2m\times1m=2m^2l×b=2m×1m=2m
2
Therefore area of the wall to be white washed= Area of the wall - Area of the door
=Rs\ 14.20\times20=Rs\ 284.00=Rs 14.20×20=Rs 284.00
Hence, the required area= 14.20m^214.20m
2
and the required cost= Rs 284
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