Backpack

Large backpack cost CZK 1352, little is 35% cheaper. How much we paid for 5 large and 2 small backpacks?

Correct answer:

x =  8517.6 Kč

Step-by-step explanation:

$x=1352\cdot (5+2\cdot (1-35\mathrm{/}100))={\displaystyle \frac{42588}{5}}\text{ Kc}=8517.6\text{ Kc}$

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