For a certain type of can. the number of grams of aluminum per can decreased by 20 percent from 1994 to 1998. while the cost per gram of aluminum decreased by 60 percent. If the cost of the aluminum in y cans in 1994 was equal to the cost of aluminum in A v cans in 1998. then k =

For a certain type of can. the number of grams of aluminum per can decreased by 20 percent from 1994 to 1998. while the cost per gram of aluminum decreased by 60 percent. If the cost of the aluminum in y cans in 1994 was equal to the cost of aluminum in A v cans in 1998. then k =
A . 3.125
B . 4.25
C . 5.125
D . 6.25
E . 7.875

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Answer: A