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nataly862011 [7]
3 years ago
10

Armando bought 45 baseball cards. Of the 12 friends he invited to his cookout, half of them were able to attend. Armando gave ea

ch of his friends at the cookout the same number of baseball cards and had 3 cards left for himself. How many baseball cards did each friend receive?
Mathematics
1 answer:
kotegsom [21]3 years ago
6 0
45 Cards 
12 friends invited; 1/2 came 12 x 1/2=6
Let x stand for the number of cards each friend received
Armando kept 3
6x = 45-3
6x =  42
__     __
6       6
x = 7  

Each friend received 7 cards
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i..e we divide each frequencies by 360 to obtain a two-way relative frequency.

Hence,the table is given as:

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Below age 15            0.24               0.17      0.05         0.46

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