exam
Maths Puzzle
Numerical Ability
x-1/3 = x+1/5
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exam Other Question
After inheriting some money, a women wants to invest enough to have an annual income of $5,000. If she can invest $20,000 at 9% annual interest, how much more will she have to invest at 7% to achieve her goal?
please help to solve :
2 - 3x / 5 + x/3 = 4