The sum of a number and 4.8 is three times the number. Find the number

The answer is Z = 2.4

Step-by-step explanation:

Let the number be Z

Z + 4.8 = 3 × Z

Z + 4.8 = 3Z

Collect like terms

4.8 = 3Z - Z

4.8 = 2Z

Z = 4.8/2

Z = 2.4

The number is 2.4

Step-by-step explanation:

Let the number be y

The sum of the number and 4.8 is written as: y + 4.8

Three times the number is written as: 3y

From the question, we were told that the sum of the number and 4.8 is three times the number. This is illustrated as:

y + 4.8 = 3y

Collect like terms

4.8 = 3y — y

4.8 = 2y

Divide both side by the coefficient of y i.e 2

y = 4.8/2

y = 2.4

The number is 2.4

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.

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step-by-step explanation: