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What is drag?

In fluid mechanics, drag is force that resists the motion of a body with fluid. The drag force always acts in the opposite direction to the flow... View Article

75% of what number is 15

Let the required number be X Therefore, 75% of X = 15 (75/100) x X = 15 X = 15 x (100/75) X = 15 x (4/3) We get, X = 20 Hence, The value of... View Article