exam Maths Puzzle Numerical Ability

Determine how much water is required to dilute 15 liters of a solution that is 12 %dye so that a 5% dye solution is obtained?

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exam Other Question

The product of a number and a second number that is 3 more than 5 times the first is 2. Identify the numbers. As you start your drive, the first electronic sign you see states that the temperature is 22.0 °C. You are not very familiar with this temperature scale. As you drive 10 miles east