If the price of a stock decreases by 20%, and then by an additional 25%, by what percentage has the price At Mattress Shop, 75% of the mattresses are memory foam and 20% of the mattresses are extra firm. Of
the total mattresses at Mattress Shop, 12% are extra firm memory foam mattresses. What percentage of
decreased from its original value?
11.
40
B. 45
C. 50
D. 55
2.
the total mattresses are not extra firm non-memory foam mattresses?
Math
E. 8

F.17
G. 63
H. 80