Answer:
$400
Step-by-step explanation:
Let 'p' represent the original price, the 'p-0.3p' represents the sale price:
280 = p - 0.3p
.
Solving for 'p' we have p=400.
The original price of the television was $400
12 +4m = 24
4m = 12
m = 12/4
m = 3 so choice C. is right sure
Y=1/2x+8
I think this might be right
