# Savings

Eva borrowed 1/3 of her savings to her brother, 1/2 of savings spent in the store and 7 euros left. How much did she save?

Result

x =  42 Eur

#### Solution:

$z=1 - 1/3 - 1/2=1/6 \ \\ z \cdot \ x=7 \ \\ x=7 / z=7 / \dfrac{ 1 }{ 6 } \ \\ x=7 \cdot \ 6=42 \ \text{Eur}$

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