Math and Area and perimeter

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How to solve question 20??
Subject
Level
Primary
Grade
4
(Area and perimeter) a verandah of width 2.25m is constructed all along outside a room which is 5.5m long and 4m wide. Find :
(a) the area of verandah
(b) the cost of cementing the floor of the verandah at the rate of $200 per m square.
Subject
Level
Highschool
Grade
7
2questions
Subject
Level
Middle School
Grade
8
Subject
Level
Primary
Grade
4
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