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Maths Puzzle
Numerical Ability
How many liters of a 14% alcohol solution must be mixed with 20 liters of a 50% solution to get a 30% solution?
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As shown on a travel map, one route measures 5 and 1/8 inches and the other 5 and 1/2 inches. If 1 inch represents 80 miles, how many miles difference in distance is there between
prob. 94 The cost for a long distance phone call is 0.46 for the first minute,and 0.21 for additional minute or portion thereof.Write an inequality representing the number of minutes a person could talk without exceeding 3.00