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Maths Puzzle
Numerical Ability
slove the inequality 3p-6>21
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solve:
20 over x = 20 over x-4 + 4 over x
please show work
solve:
a over a+1 + 2a+4 over a^2-3a-4 = 2 over a-4
show work please
thanks
One sum is invested at 5% and three times as much at 8%. The total annual interest is $580. How large is each sum?
(this is not from a text) I have a problem with both answers.
Please help, Thank You.