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Gemiola [76]
3 years ago
6

Help me with this please

Mathematics
1 answer:
Allisa [31]3 years ago
5 0

Answer:

30

Step-by-step explanation:

3x = -21  

-21+ -14 = -35

-35 + 5 = 30

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3 years ago
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If alvin sold 60% of his baseball cards, gave away 30% of those that were left, and still had 40 baseball cards in his possessio
kipiarov [429]

Answer:

The number of baseball card to begin with is 143

Step-by-step explanation:

Let The number of baseball cards = x

The number of sold baseball card = 60% of x

                                                         = 0.6 x

The number of left baseball card = x - 0.6 x = 0.4 x

The number of card gave away = 30 % of left cards

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Hence The number of baseball card to begin with is 143  Answer

3 0
3 years ago
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