VAT on books

The cost of a book in the store is 12.5 euros. How much euros is the VAT of this book? VAT is 10%.

Correct result:

d =  1.136 Eur


x+d = 12.5
d = 10/100x

x+d = 12.5
d = 10/100•x

d+x = 12.5
100d-10x = 0

d = 2522 ≈ 1.136364
x = 12511 ≈ 11.363636

Calculated by our linear equations calculator.

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