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Alja [10]
3 years ago
12

How many ways can eight different people stand in a circle?

Mathematics
1 answer:
grin007 [14]3 years ago
3 0
Eight people can stand in a cirlce in 6 different arrangements .
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Tell me please !!!!!!
UkoKoshka [18]

Answer:

(1)

Donna = Pounds 180

Kyra = Pounds 240

(2)

Kelly = Pounds 225

Nelly = Pounds 175

Step-by-step explanation:

(1)

Donna = x

Kyra = x + 60

If Donna spends 1/3 of her money she is left with 2/3 of her money;

2/3 x

Kyra now has twice as much money as Donna can be represented as;

X + 60 = 2 * 2/3 x

X + 60 = 4/3 x

(x + 60)3 = 4x

3x + 180 = 4x

180 = 4x – 3x

180 = x

Donna = 180

Kyra = 180 + 60 = 240

(2)

Kelly = x

Ned = y

Kelly spends 40% of her money. Therefore he is left with 60%;

60/100 x

Nelly spends Euros 40 of his money. Therefore he is left with;

y- 40

If they now have the same amount of money;

60/100 x = y – 40

3/5 x = y – 40

3x = 5y – 200

3x – 5y = -200

Remember Kelly & Ned has Euros 400 in total;

x + y = 400

Now we can solve the simultaneous equation by substitution;

x + y= 400

3x – 5y = -200

3x + 3y = 1200

-

3x – 5y = - 200

=

8y = 1400

Y = 175

X = 225

Kelly = 225

Nelly = 175

Learn More:

brainly.com/question/2273184

brainly.com/question/11876335

#LearnWithBrainly

3 0
3 years ago
Read 2 more answers
Somebody help this assignment is due tonight for a grade
Law Incorporation [45]
1.) 24 pack for $6.88
2.) 12 oz box for $2.15
3.) 16 pound turkey for $20.00
4.) $1.60 per notebook
6 0
3 years ago
Victoria is shopping for thank-you notes at Sweet Greetings. She is trying to decide between the three different packages of not
ivann1987 [24]
Your answer would be 10 notes for $4. If you need your answer explained just let me know. :)
6 0
3 years ago
The market bought grapes for $0.87 a pound and sold them for $1.09 a pound. What is the percent for increace rounded to the near
Len [333]
So to find percent increase, you want to minus the difference in cost..

1.09- 0.87= .22...

now divide the difference by the original....

.22 ÷ .87 = .25287.....etc

now multiply that by 100...

.25287 × 100 = 25.287

now it says round to the nearest tenth so...

25.29% increase.

5 0
2 years ago
I Need Help Pleaseeeee
kicyunya [14]
What is the question
3 0
3 years ago
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