Students at schools in different states calculated the volume of snow that it took to fill one cup of water after the snow had melted. their results, in cups, were: \qquad\begin{aligned}3.7,& & 3.0,& & 3.9,& & 2.5,& & 2.5,& & 2.2 \end{aligned} 3.7,3.0,3.9,2.5,2.5,2.2 to the nearest tenth of a cup, how much greater was the mean than the median of their calculations?

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answer:

total cost for tiles and paints is $924.  

step-by-step explanation:

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.