Question

The length of a room is three times its width.If the width is 0.75 m,find its area .Also find the cost of flooring at the rate of rs 45 per sq.m.
please explain it please ​

Answer 1

Answer:

let width is x m and x=0.75m

then lengtj is 3xm

area lxw =xX3x=3x^2=3x0.75x0.75 =1.6875msquare

cost

per m square is 45

cost of 1.6875is=

16.875x45=75.9375