Question

If 1/8 of a pencil is black, 1/2 of the remaining is white and the remaining 3 1/2 cm is blue, then the total length of the pencil is​

Answer 1

Answer:

8 cm

Step-by-step explanation:

Let the total length of pencil be = x cm

Length of black colour = x/8 cm

Length of remaining pencil = 7x/8

Length of white colour = 7x/16

Length of remaining pencil = 7x/16 = 3.5 cm

Now finding x, we get = 7x = 3.5 x 16

                                     = x = 8 cm

Hope it helps you......

Answer 2

Answer:   4 2/8

Step-by-step explanation:

Fraction of pencil which is black = 1/8

Fraction of pencil which is white = 1/2

Fraction of pencil which is blue = 3 1/2

Total length = 1/8 + 1/2 + 7/2

                     = 1/8 + 4/8 + 28/8

                     = 33/8

                     = 4 2/8

There Fore ,

                    4 2/8 cm is the length of the pencil .

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