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Maths Puzzle
Numerical Ability
Vern invested $11,000. Part was invested at 15% and part at 13%. If the total interest at the end of the year is $1,610, how much did he invest at 15%?
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Can you help me with this problem:
1 1/15 + 3 3/10 - 2 4/5
here is another one I have no clue about..
3/x+5=3/3x-2
If you could show how you did it I just might be able to understand it
Thanks