Question

Cat reprezinta trei cincimi din 4 000?Dar 1pe8 din cele trei cincimi?

Answer 1

$\frac{3}{5} 4000=4000:5*3=2400$
$\frac{1}{8} 2400=2400:8=300$

Answer 2

3/5x4000=3x800=2400s-a simplificat  prin 5)
1/8x2400=2400/8=300