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72.5

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Kylee Homenick

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3y ago
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14y ago

x+y=22.5

x=22.5-y

xy=50

(22.5-y)y=50

22.5y-y2=50

y2-22.5y+50=0

(y-20)(y-2.5) = 0

y = 20 and x = 2.5 or y = 2.5 and x = 20

20+2.5=22.5

20*2.5=50

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Q: What two numbers equal 22.5 when added and 50 when multiplied?
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