exam Maths Puzzle Numerical Ability

If one-half of one integer is subtracted from three-fifths of the next consecutive integer, the difference is 3. What are the two integers?

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exam Other Question

The engine coolant in a car cools exponentially with respect to time after the car is shut off. The function T=90(4/5)^(t/3)+10 represents the temperature, T, of the coolant in deg graph the line with slope 4 passing through the point (4,2)