You have to distribute the minus sign to the second parenthesis, changing the sign of every term:

Answer:
40
Step-by-step explanation:
We have an original price p
We mark them up by 50%
p + p*50%
Changing to decimal form
p+.50p = 1.5p
The new price is 60 dollars
1.5p = 60
Divide each side by 1.5
1.5p/1.5 = 60/1.5
p =40
The original price is 40
Answer:
Letter a)
Step-by-step explanation:
quizlet
Answer:
7-21
Step-by-step explanation:
if -a+b
is thesame according to laws of integers as
b-a