Question

a,b,c,d invers proportional 0,5 ; 0,(3) ; 0,25 ; 0,1(6)

Answer 1

a*0,5=b*0,(3)=c*0,25=d*0,1(6)= k
a*5/10=a*1/2=a/2=k
a=2k
b*3/9=b*1/3=b/3=k
b=3k
c*25/100=c*1/4=c/4=k
c=4k
d*0,1(6)=d*(16-1)/90=d*15/90= d*1/6=d/6
d=6k