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04-12-2014
Mathematics

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Fred completed 10 math problems this is 40% of the math problems he must do how many are left??

Fred completed 10 math problems this is 40 of the math problems he must do how many are left class=

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craigc456 craigc456

04-12-2014

10/100=10.01x50=4

fred has 4 problems left to do

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04-12-2014

[tex]x-\ all\ problems\\\\ 40\%x=10\\\\ 0,4x=10\ \ \ \ | divide\ by\ 0,4\\\\ x=25\\\\ There\ were\ 25\ problems\ to\ solve.[/tex]

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