Question

a coin kept inside a water when viewed from air in vertical direction appears to be raised by 2.0mm The depth of coin in water is​

Answer 1

Explanation:

x/x-2 = 4/3

3x = 4x-8

x=8

Answer 2

$\frac{x}{x - 2} = \frac{4 }{3} \\ 3x = 4x - 8 \\ 4x - 3x = 8 \\ x = 8$

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