1.

A toothpaste manufacturer is giving two different offers on its 100 g tube. The first one is giving 30% extra at the same price, and the second one is giving 30% off on the marked price. By what percentage is the first offer costlier than the second one?

A. 4.2%
B. 2.4%
C. 9.89%
D. 0%
Answer» D. 0%


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