A typist uses a sheet measuring 20 cm 30 cm length wise . If a margin of 2 cm is left on each side and a 3 cm margin on top and bottom, then what percent of page used for typing?

Given:

A typist uses a sheet measuring 20 cm 30 cm length wise.

With margin of 2 cm is left on each side and a 3 cm margin on top and bottom.

To do: Find the percent of page used for typing 

Solution:

Length of sheet = 20 cm

Breadth of sheet = 30 cm

Area of sheet =  length $\times$ breadth = 600

A margin of 2 cm is kept on left side and right side

So, length of area of typing = $20-(2+2)=16$ cm

A 3 cm margin on top and bottom

So, width of area of typing = $30-(3+3)=24$ cm

So, area of typing = $16 \times 24 = 384$

So, The percent of the page is used for typing=  $\frac{384}{600}\times 100$

Hence 64% of the page is used for typing.

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Updated on: 10-Oct-2022

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