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not sure though
http://www.wolframalpha.com/input/?i=360+-+50+-+%28360-125%29

Thaanks :p

anwer the first one

How do you know?

I thought then I knew it!! but I can't write down the solution cuz my eng sucks

WHAT?!

forget it..I'm sure about my answer really

Okaaay........

@experimentX try figuring it out again :))

and let me know if I'm wrong

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this is the idea i come up with ... i usually make calculations mistakes!!