Let the speed of B be x kmph ⇒ Time taken by B to cover 40 km = 40/x ⇒ Time taken by A = (40/x) + 2 So, the speed of A = (20x)/(20 + x) ----(1) Distance = 80 km ⇒ Time taken by B to cover 80 km = 80/x ----(2) ⇒ Speed of A when he doubles his speed = (40x)/(20 + x) ⇒ Time taken by A to cover 80 km = (40 + 2x)/(x) ----(3) A.T.Q., From (2) and (3) (80/x) + (3/2) = (40 + 2x)/x ⇒ (40 + 2x)/2x - 80/x = 3/2 ⇒ 2 (40 + 2x - 80) = 3x ⇒ 2 (2x - 40) = 3x ⇒ 4x - 80 = 3x ⇒ 4x - 3x = 80 ⇒ x = 80 ⇒ Speed of B = 80 kmph Distance = 90 km Time taken by B = 90/80 = 1(1/8) hrs
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The type of demand forecasting, where a mathematical formula is created to predict future customer demand is known as _________.
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This is an example of:
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Large stores (over 200,000 square feet) which offer a mix of 40 percent food products and 60% general merchandise are referred to as:
