exam Maths Puzzle Numerical Ability

A woman had two investments, one paying a 6% dividend. The other is $680 more that the first investment and pays a 5% dividend. If the total return is $102 what is the investments?

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the base of an isosceles triangle and one of its legs have lengths that are consecutive integers. the leg is longer than the base. the perimeter of the triangle is 20. find the length of each side of the triangle. Find the hydrogen ion content of a substance of your choice. Using this hydrogen ion content, show how to find the pH of the substance using the formula. Is this substance acidic o