Original price×(1-discount price)=new price or sale price so
Put x in original price...x(1-45/100)=550
So the original price is 1000
Answer:
A
Step-by-step explanation:
Area of a triangle = 
where b = base length and h = height
the triangle shown has a base length of 2 and 1/2 and a height 4. and 2/5
So area =

5.5 also = 
Hence, the correct answer is A
Answer:
A. 13.5
Step-by-step explanation:
60 ft. = 3 in.
20 ft. = 1 in.
270/20 = 13.5
Answer:
b
Step-by-step explanation:
4/7 and 10/17.5
18/8 and 9/4
Proportions
2/3 and 9/12
3/8 and 6/141
7/5 and 27/20
Not a proportion