Respuesta :

dalendrk
45% - 144
100% - x

/cross multiply/

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

Answer: 45% of 320 is 144.
texaschic101
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 <==