Answer: 563.75
Step-by-step explanation:451+112.75=563.75
Answer:
Tim will get 8 and Sam will get 32
Step-by-step explanation:
(a) If
are mutually exclusive, then

so we have

(b) If
are mutually independent, then




so that



Answer:
b = 13
Step-by-step explanation:
the value of the discount is a constant, while the total cost of the books is a variable because it depends of the purchase
We can write this equation
5b - 7 = 58
Solve it
1) add 7 at both members
5b -7 + 7 = 58 + 7
5b = 65
2) divide both membera by 5
b = 13
Answer: 24,000
Step-by-step explanation: