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

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

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

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