tommccabe8 tommccabe8

25-01-2015
Mathematics

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write a real-world problem that can be modeled by the equation 1.25x=0.75x+50

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macio06 macio06

25-01-2015

We have such equation
1.25x=0.75x+50 /-0.75x (subtract 0.75 both sides)
1.25x-0.75x=0.75x-0.75x+50
0.5x=50 /*2 (multiply both sides times 2)
0.5x*2=50*2
x=100 - its the answer

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