Answer:
a. 
b.
Step-by-step explanation:
a. let s denote shirts and a denote athletic shoes. given that the shirts are priced the same and that the total amount spent was $95.
#The price of each shirt can be calculated using the expression;

Hence, the price of each shirt is obtained using 
b. First we have to understand that slacks and shoes have to be bought in pairs as a single unit but a pair of blazer is 2 units.
Let a denote the slacks, s shoes and b the blazer.
#Therefore our expression will be:

Hence, the price of each blazer is calculated using the expression 