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Mathematics
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An engineer wants to make 60% cement mixture. How many pounds of a 80% cement mixture must she mix with 20 pounds of a 40% mixture to create a 60% cement mixture?
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you are full of this mix problem, hug? must be algebra word problem hell week
yes it sucks!
you want reasoning or equation ?
idk whatever solves it
depends on how much you need to understand if we call \(x\) the amount of \(80\%\) mix then you must solve \[.8x+8=.6(20+x)\]
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which is easier to solve if you multiply by ten and write \[8x+80=6(20+x)\]
20? @satellite73
idk i didn't do it hold on
ok
yes
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so 20 pounds?
oui
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