Answers

2015-11-10T16:32:31+05:30
Acc. To ur qsn :- 20x/100 + x , 120x / 100 , 12x/10 , 1.2 x, so it is equivalent to mutiply 1.2 to x
1 4 1
how 0.2 come
oppss.. sorry.. 1.2 sorry :P
plz after writing  first see ur answer properly
Hmm...   
ok
2015-11-10T16:39:24+05:30
Firstly 20% of x so 20x/100
then 20x/100+x=120x/100 or 12x/10 
now 12x/10=1.2x
so it is equivalent to multiply 1.2 to x
1 5 1