Great Wall of China

Great Wall of China is long 8880 km. Historically valuable however is only 30% of its length. What amount of insurance pays the Peoples Republic of China a month for this monument, if the insurance company charges $ 10 per year per kilometer of historic sights.

Result

x =  2220 USD

Solution:

x=8880 0.30 (10/12)=2220  USD x=8880 \cdot \ 0.30 \cdot \ (10/12) = 2220 \ \text{ USD }



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