Composite ratio

Jakub, Aneta, and Lenka divided 1342 USD in the ratio 5/2: 3/10: 1/4. How much did Lenka take?

Correct answer:

L =  110 Kc

Step-by-step explanation:

$$\begin{gathered} l={\displaystyle \frac{1\mathrm{/}4}{5\mathrm{/}2+3\mathrm{/}10+1\mathrm{/}4}}={\displaystyle \frac{5}{61}}\doteq 0.082 \\ L=1342\cdot l=1342\cdot 0.082=110\text{ Kc} \end{gathered}$$

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