Posted by Shambhavi on .
There are are 20% more girls than boys in the senior class.What percentage of the seniors are girls?

math 
Shambhavi,
In a sale a shop reduced the prices of all CDs by 15%. For a CD usually costing $12, what is the reduced price?

math 
drwls,
Girl fraction = G/(G + B)
= G/(G + (G/1.2)) =
= 1.2G/2.2G = 54.545 %
Boy fraction = 45.454 % 
math 
drwls,
85% of $12

math 
Jennifer,
15/100 * $12
$ 1.8 
math 
Writeacher,
Jennifer, that answer IS the discount. The question asks for the price AFTER the discount is taken. What do you think?