antiguatwo antiguatwo
  • 09-08-2016
  • Mathematics
contestada

45% of what number is 144

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dalendrk
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.
Answer Link
texaschic101
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 <==
Answer Link

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