Question

Calculati:
a) 10 % din 400
b) 25 % din 1600
c) 230 % din 1400

Answer 1

a)10%din 400=10/100×400=10×400/100= 4000/100 (simplificam prin 100) = 40/1=40
b)25%din 1600=25/100×1600=25×1600/100= 40000/100 (simplificam prin 100) = 400/1=400
c)230%din 1400=230/100×1400=230×1400/100
=322000/100 (simplificam prin 100) =3220/1= 3220

Answer 2

400:100x10=40
1600:100x25=400
1400:100x230=3220