10% of 140 is 14.
to solve you first must do 10/100 = 14/x
cross multiply and you get 10x = 1400
divide 1400 by 10 and you get 140
$19.50 multiplied by 12 is $234 and $6 multiplied by 12 is 60 so 234 dollars plus 60 dollars equals $294 dollars
0.21 is greater than 0.12 because it in the 20s
