Druing a special promotion, a certain filling station is offering a 10% discount on gas purchased after the first the first 10 gallons. If Kim purchased 20 gallons of gas, and Zeni purchased 25 gallons of gas, then Zeni's total per-gallon discount is what percent of Kim's total per-gallon discount?
A. 80%
B. 120%
C. 140%
D. 100%
E. None of these
সঠিক উত্তরঃ
B.
120%
Explanation:
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