Answer:
Step-by-step explanation:
Discount = 15% of 45

= $6.75
Price of the video game = 45 - 6.75 = $38.25
Tax = 7%of 38.25

Price paid by Fatima for the video game = 38.25 + 2.68 = $ 40.93
By definition of conditional probability,
P(B | A) = P(A ∩ B)/P(A) = (13/25) / (13/20) = 20/25 = 4/5
Answer:
0.35
Step-by-step explanation:
-5x - 6y = -21
5x - y =. 84
-7y = 63
y= -9
-5x = -21 - 54
-5x = -75
x = 15