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mart [117]
3 years ago
7

Benny brought five new baseball trading cards to add to his collection. the next day his dog ate half of his collection. there a

re now only thirty cards left. how many cards did benny start with?
Pls show work and the check too.
Mathematics
2 answers:
VMariaS [17]3 years ago
7 0
Benny started with 55 five cards. In order for his dog to have eaten half his cards and end up with 30 cards, that would mean he had 60 cards. Mind you, he had bought 5 more the day before his dog ate them. I hope that makes sense
rusak2 [61]3 years ago
7 0
He started off with 55 cards
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What percent of 85 is 51 ?​
Ostrovityanka [42]

Answer:

60%

Step-by-step explanation:

51/85×100×1/00

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Answer:

Step-by-step explanation:

t + u = 11 ----------- (1 )

10t + u = 10u + t - 9

10t + u - 10u - t = -9

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Combine like terms

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Divide the entire equation by 9

\dfrac{9}{9}t-\dfrac{9}{9}u=\dfrac{-9}{9}

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Add equation (1) & (2) and so, u will be eliminated and we can find the value of t

(1)       t + u = 11

(2)      <u>t  - u = -1</u>

         2t     = 10

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t = 5

Plugin t = 5 in equation (1)

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