If the sides of a square are increased by 3 inches, the area is increased by 63 square inches. Find the length of a side of the original square. Show works please

the answer is the third / last answer

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can you put the picture up?

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answer:

total cost for tiles and paints is $924.  

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we have been given that a community hall is in the shape of a cuboid. the hall is 40m long 15m high and 3m wide.

the paint will be required for 4 walls and ceiling.

let us find area of walls and ceiling.

therefore, the area of walls and ceiling is 1410 square meters.

given: cost for 10 litre of paint is $10 and 10 litre paint covers 25 square meter. therefore,

therefore, the total painting cost is $564.

tiles will be required for floor. let us find the area of floor.

given: 1m squared floor tiles costs $3. so,

therefore, the total tiles cost is $360.

now let us find combined total cost of tiles and paint.

therefore, the combined total cost of tiles and paint is $924.

ome people is not even worth it to even try it in the air.

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