exam Maths Puzzle Numerical Ability

. Find the slope of the line that passes through the points (2, 3) and (5, 8).

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exam Other Question

Mr. Graham invested some of his $18,000 in bonds and made a 5% profit and the rest in bonds that made a 12% profit. If the profit on the 12% bonds was $885 more than the profit on the 5% bonds, how much did Mr. Graham invest in the 5% bonds? 1.How many liters of 22% salt solution must be added to 75 liters of 67% salt to get a 47% salt solution?

2. How many gallons of a 40% alcohol solution should be mixed with 15 gallons of 80% solution to obtain a 60% alcohol solution?