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MrRa [10]
3 years ago
9

There are 13 dimes and 7 pennies in a cup. What is the probability of not drawing a penny

Mathematics
2 answers:
andre [41]3 years ago
4 0
The probability of not drawing a penny is 13/20, or 0.65, or 65%
8_murik_8 [283]3 years ago
4 0
 13/20 chance of not drawing a penny
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Al has twice as many cards as Bob, and Jane has three times as many cards as Bob. Together, they have 372 cards. How many cards
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Answer: Bob has 62 cards.

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Jane has 186 cards

Step-by-step explanation:

Let x represent the number of cards that Bob has.

Al has twice as many cards as Bob. It means that the number of cards that All has is 2x.

Jane has three times as many cards as Bob. It means that the number of cards that Jane has is 3x.

Together, they have 372 cards. It means that

x + 2x + 3x = 372

6x = 372

x = 372/6

x = 62

The number of cards that Al has is

2 × 62 = 124

The number of cards that Jane has is

3 × 62 = 186

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