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Jane lacked 160 crowns to buy six rings, so she only bought four and had 100 crowns left. How much are 4 rings?

Correct answer:

x =  520 Kc

Step-by-step explanation:

6 k160=4 k+100  2k=260  k=2260=130  k=130  x=4 k=4 130=520 Kc



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