Question

The length and breadth of a class room are in the ratio 3: 5.If the breadth of the room is 20 m, find the lendth

Answer 1

Answer:

5x = 20

x = 20/5

x =4

Length = 3x

= 3 *4

= 12 m

Answer 2

Answer:

the length should be 12m

Step-by-step explanation:

breadth = 20m

let the length and breadth be 3x and 5x

we know that

5x= 20 m

x= 20/5

x= 4m

length= 3x= 3x4= 12m