Question

determinati x 15 % din x=90. 20% din x=60,3 12%din x=30 2,5%din x=25. 150%din x=330. 300%din x = 60

Answer 1

15x/100 =90  ;   x =90*100 /15 =600
20x/100 =60.3 ;   x =60.3*100/20 =301.50
12x/100 =30  ;    x =30*100 /12 =250
2.5x/100 =25  ;    x =25*100 /2.5 =1000
150x /100 =330  ;   x =330*100 /150 =220
300x/100 =60  ;     x =60*100 /300 =20