# Discount

The dress was discounted by CZK 115, which was 12% of the original price. What is the cost of the dress after the discount?

Result

b =  843.33 Kc

#### Solution:

$\ \\ a \cdot \ 12/100=115 \ \\ \ \\ 12a=11500 \ \\ \ \\ b=a=\dfrac{ 2875 }{ 3 } \doteq 958.333333 \ \\ b=a - 115=958.3333 - 115 \doteq \dfrac{ 2530 }{ 3 } \doteq 843.3333 \doteq 843.33 \ \text{Kc}$

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