Which epuation could be used to represent the table shown?
x: 20,13,12,5
y: 40,26,24,10

a) y= 2x
b) y= x + 20
c) y= x/2
d) y=3x

➷ Divide them to see if you can find a pattern:

40/20 = 2

26/13 = 2

24/12 = 2

10/5 = 2

As you can see y is double x each time

Therefore, your answer is A. y = 2x

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step-by-step explanation:

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.