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Maths Puzzle
Numerical Ability
what is the solution to z/20+1/12=z/15-1/10 and 4W+23/5=19-W/7
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My question says to simplify the radicals.
(square root of 6- square root of 5)( square root of 6+ square root of 5)
Could you help me? thanks!
how do you solve 60=[400/(1+r)^3]