Answer:
The sales price of the PS4 is $532.
Step-by-step explanation:
The system sells for $399 after giving 25% off on a Black Friday on the sales price.
Let the sales price of the PS4 system is $x.
Then after giving 25% discount the price will become 
Therefore, 0.75x = 399
⇒ x = 532
Therefore, the sales price of the PS4 is $532. (Answer)
Answer:
Equation have Unique solution i.e 
Step-by-step explanation:
Given Equation:
Solving the Equation for 'x'.
Adding '
' both sides:
Adding '42' both sides:
The equation have Unique solution with the value of
Answer:
B
Step-by-step explanation:
She needed to raise at least $250
$250 divided by $10 equals 25 km
So she need more than 25km to raise over $300
