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irga5000 [103]
3 years ago
10

Lionel gave 1/2 of his baseball cards to Rick. He gave his brother 1/2 of what was left. He then had 12 cards left. How many did

he start with?
A. 24. B. 36 C. 48. D. 96
Mathematics
2 answers:
Salsk061 [2.6K]3 years ago
5 0
C. 48

If Lionel started with 48, and he gave 1/2 of them to Rick (24), then he is left with 24. If he then gives his brother 1/2 of that (12) then he has 12 left.
Nesterboy [21]3 years ago
3 0
It’s C or 48
Lionel halved it twice so you have to double it twice
12+12=24
24+24=48
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Answer:

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Step-by-step explanation:

Given

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The sample space of 2 die is:

S = \{(1, 1) (1, 2) (1, 3) (1, 4) (1, 5) (1, 6), (2, 1) (2, 2) (2, 3) (2, 4) (2, 5) (2, 6)

(3, 1) (3, 2) (3, 3) (3, 4) (3, 5) (3, 6), (4, 1) (4, 2) (4, 3) (4, 4) (4, 5) (4, 6)

(5, 1) (5, 2) (5, 3) (5, 4) (5, 5) (5, 6), (6, 1) (6, 2) (6, 3) (6, 4) (6, 5) (6, 6)

n(S)= 36

The pairs that adds up to 4 are:

Sum(4) = \{(1,3), (2,2),(3,1)\}

n(Sum)  =3

So, the probability is:

Pr = \frac{n(Sum)}{n(S)}

Pr = \frac{3}{36}

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