Question

aflati nr ,stiind ca 16% din el reprezinta a) 20 b)50 c) 458 d) 2supra 3 e) 32 f)480 g)256

Answer 1

x-numarul.
16/100 * x =20 => 16*x=2000 => x=2000/16=125
16/100*x=50 => 16*x=5000 => x=5000/16=312,5
si tot asa si cu celelalte...
d) 16/100*x=2/3 => 3*16*x=200 => 48x=200 => x=200/48=4,16666