book Maths Puzzle Numerical Ability

Donna invested her $33,000 bonus and reieved a tatal of $970 in interest after one year. If part of the money returned 4% and the remainder 2.25% then how much did she invest at each rate?

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book Other Question

3x/4=66, what does x equal?

3x/4 is suppose to be written in a fraction way, not division.
it says solve the inequality 2x-5<10 or 33-4x<5.



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