antiguatwo antiguatwo

09-08-2016
Mathematics

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45% of what number is 144

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dalendrk dalendrk

09-08-2016

45% - 144
100% - x

/cross multiply/

45x = 144·100
45x = 14400 |divide both sides by 45
x = 320

Answer: 45% of 320 is 144.

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texaschic101 texaschic101

09-08-2016

45% of what number is 144....." of " means multiply, " is " means equals, turn ur percent to a decimal...let x stand for " what number ".

0.45x = 144
x = 144/0.45
x = 320 <==

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