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scoray [572]
2 years ago
5

Nine runners are entered in a 100-meter dash for which a gold, silver, and bronze medal will be awarded for first, second, and t

hird place finishes, respectively. In how many possible ways can the medals be awarded?
Mathematics
1 answer:
DanielleElmas [232]2 years ago
4 0

Answer:

504

Step-by-step explanation                                                                                                                          

9 people can get first x 8 runners left to win second x 7 who can still get third

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June had $240 more than Siti. Junr gave 25% of her money to Siti. Siti then gave 20% of her money to June. How much more money d
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Answer:

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Step-by-step explanation:

Let the money which Siti has be x

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First condition is that June gave 25% of her money to Siti, So this amount will be deducted from June's money and will be added in Siti's money.

Siti's money = x+ [25%(x+240)]       June's money = x+240-[25%(x+240)]

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Second condition is that Siti now gave 20% of her money to June.This amount will be deducted form Siti's money and added in June's money.

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Hence, June has $144 more money than Siti.

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