Question

5. Divider 128 cm in the ratio 3:5.​

Answer 1

Step-by-step explanation:

let the ratio are 3x and 5x

therefore 3x+5x=128

8x=128

x=16

3x=3×16=48

5x=5×16=80

Answer 2

Let the common ratio be P

3P + 5P = 8P

Now

8P=128

P = 128÷8

P = 16

5P =16×5 = 80

3P = 16×3= 48