Question

the total cost of flooring a room at rupees 5 per metre square is rupees 5100 if the length of the room is 8 then what is its width​

Answer 1

Answer:

=127.5 m

Step-by-step explanation:

=>For one metre 5 rupees

then for x metre 5100 rupees,

5metre^2 = 5100

metre^2 =1020

we know the area is 1020,

therefore L×B=1020

B=1020÷8  {because 8 is the length of the room}

=>127.5