luisguereca101
luisguereca101
16-10-2018
Mathematics
contestada
can someone help me please ?
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narghile
narghile
16-10-2018
I have no idea, but the only thing that comes to mind, is the fact, 80+20=100 and you need to find the value of 70 which can be taken out of the 100 .. but simply the 20% has a variable. Find a way to use that.
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