Question

The length and breadth of the rectangle are in the ratio 28 is to 15 and the area is 16.80find length and breadth

Answer 1

let length and breadth be 28x and 15x respectively
area =l×b
16.80=28x × 15x
16.80=28x sq.
x sq.=16.80/28
x sq=0.6
x=under root 0.6
x=0.77