Respuesta :

100%/x%=350/75
(100/x)*x=(350/75)*x       - we multiply both sides of the equation by x
100=4.66666666667*x       - we divide both sides of the equation by (4.66666666667) to get x
100/4.66666666667=x 
21.4285714286=x 
x=21.4285714286
Hope this isnt complicated!
Hope it helps also!:)
Answer=21.4%

  75      x
____=___
 350   100

cross multiply
350x=7500
divide both sides by 350
x=21.4285714286
round to the nearest tenth
x=21.4%