Answer:
136 miles
Step-by-step explanation:
distance after 4 hours for Serenity = 12 x 4 = 48 miles
distance after 4 hours for Mystic = 22 x 4 = 88 miles
88 + 48 = 136
So here is how we are going to solve the problem.
Let C be the cost of the chicken, and D as the cost of the duck.
The equation would be like this:
50c + 30d = 550 (divide this by 10)
5c + 3d = 55
3d = 55 - 5c (multiply by 3)
9d = 165 - 15c
Next,
44c + 36d = 532 (divide this by 4)
11c + 9d = 133
Now, substitute the value of 9d and it becomes
11c + 165 - 15c = 133
11c - 15c = 133 - 165
-4c = -32 (divide by -4)
c = 8
Therefore, the cost of each chicken is $8.00
Now going back to d,
9d = 165 - 15c (substitute c)
9d = 165 - 15(8)
9d = 165 - 120
9d = 45 (divide by 9)
d = 5
So the cost per duck is $5.00
Hope this helps.
Answer:
B
Step-by-step explanation:
For plan A you would pay $60 for at least one visit but for plan B it would be $40 for one visit
Answer:
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Step-by-step explanation:
The probability of occurring the event A is .
The probability to occur the event B is .
It is also given that the events are independent that is they do not depends on each other.
So, the probability of occurring both the events simultaneously can be get by simply multiplying the probabilities of both the events.
Hence, the probability is }[/tex] = .