Question

the length of three ribbon is in ratio 4:3:5 if the shortest ribbon is 12 cm find the length of longest ribbon

Answer 1

let the lenght of ribbon is 4x,3x and 5x
now the shortest ribbon lenght is 12 cm
so,3x=12
x=4
now,the lenght of longest ribbon is 5x
so,5x=5×4=20 cm

Answer 2

The length of the longest ribbon is 20cm.

Given,

The length of the ribbon is in the ratio of 4:3:5.

The length of the shortest ribbon = 12cm.

To Find,

The length of the longest ribbon.

Solution,

Let the length of one unit of ribbon be x.

The length of the three ribbons is in a ratio of 4:3:5.

Let the length of three ribbons be 4x,3x, and 5x.

The length of the shortest ribbon = 12cm.

Let's find the value of x,

3x = 12cm

x = 4cm.

So,

The length of the longest ribbon is 5x.

= 5 ×4 = 20cm.

The length of the longest ribbon is 20cm.

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