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KATRIN_1 [288]
3 years ago
6

John had 84 dollars, and his brother Fred owed 12 dollars to his friend. John gave his brother some money. Fred paid his debt an

d now both of them has the same amount left. How much money did John give Fred? PLZZZZ HELP!!!!!
Mathematics
1 answer:
kumpel [21]3 years ago
5 0

Answer:

John gave Fred $48

Step-by-step explanation:

Let

x be the amount of dollars John gave fred

y1 be the amount of dollars Fred has at the end

y2 be the amount of dollars John has at the end

Fred has

y1 = - $12 + x

John has

y2 =  $84 - x

y1 = y2

- $12 + x =  $84 - x

2*x = $96

x = $48

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Answer:

C

Step-by-step explanation:

This is a combination question.

In the first instance, we select 5 from 20 and in the second case , we select 4 from 20.

The total number of ways to solve the first instance is 20C5 = 15504 ways

The total number of ways to solve the second instance is 20C4 = 4,845

The ratio of the first to the second scenario is 15,504/4,845 = 3.2 = 16 to 5

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Step-by-step explanation:

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gizmo_the_mogwai [7]

9514 1404 393

Answer:

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BARSIC [14]
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zavuch27 [327]

Answer:

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