Question

A piece of ribbon is divided into 21 equal parts . If one part is 3.25 m long , then find total lengths of full ribbon​

Answer 1

Answer:

Given length of ribbon is =5

5

3

=

5

28

m

If is cut into 14 equal pieces

let 'x' be length of each pieces

then

14x=

5

28

[x=

5

2

]

∴ length of each pieces is

5

2

m.

Answer 2

Answer:

A ribbon is 16 meters long so it means its 1 part.

But when it is divided into 12 parts it becomes 16/12=4/3=1.33 meter long will be each part.

Now you can check by adding meters of each part 12 times what you will get is

1.33+1.33+1.33+1.33+1.33+1.33+1.33+1.33+1.33+1.33+1.33+1.33=16 meters approx.