A bag contains white marbles and green marbles, 64 in total. The number of white marbles is 4 less than 3 times the number of green marbles. How many white marbles are there?

NOTE THIS IS AN EXAMPLE:

Step-by-step explanation:

Let W = # white marbles and Y = # yellow marbles

W + Y = 44

W = 3Y -  8

W - 3Y  = -8

Subtract

4Y = 52

Y = 13

W =31

because its not ur topic and its not for is for homework not that.

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.