!PLEASE ANSWER FAST! !30 POINTS!
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In the 1960s, the average price for an ear of corn was 4.17 cents. In the 1980s, the average price went up to 9.83 cents. How much did the average price go up?
4.97 cents
5.66 cents
7 cents
14 cents
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I'm pretty dumb so I don't know the answer to this :b
so please answer this :(