exam Maths Puzzle Numerical Ability

Multiply the fraction

2x^2 - x - 3/3x^2 + 7x + 4 (times) 3x^2 - 11x - 20/4x^2 - 9

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exam Other Question

i need some help I wrote the problem i wrote before wrong. This is what it really is.

A total of $25,000 is inested in two funds paying 5% and 6% annual interest. The combined annual interest is $1400. How much of te $25,000 is invested in each fund?