Question

If a 75cm long line segment divided into three part in ratio 3:5:7 then what will be length of each part?​

Answer 1

Answer:

15cm.

Step-by-step explanation:

The ratio is 4:3

Let the common multiple be x,

4x+3x=35

7x=35

x=5

as the common multiple is 5 then the respective length of two parts are

4x=4×5=20cm

3x=3×5=15cm.