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tresset_1 [31]
2 years ago
14

At a charity fundraiser, each female attendant donated $1,200 and each male attendant donated $800. If the average donation at t

he fundraiser was $900, what was the ratio of the number of female attendants to the number of male attendants.
Mathematics
1 answer:
Flauer [41]2 years ago
3 0

The ratio of the number of female attendants to the number of male attendants is 21/17

<h3>Ratio</h3>

  • Amount donated by female attendant = $1200
  • Amount donated by male attendant = $800
  • Average donation = $900

let

  • number of female attendant = x
  • number of male attendant = y

900 = 1200x + 800y / (x + y)

900x + 900y = 1200x + 800y

900x + 1200x = 800y + 900y

2100x = 1700y

x : y = 2100 / 1700

x : y = 21 ; 17

Learn more about ratio:

brainly.com/question/2784798

#SPJ1

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Answer:

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Step-by-step explanation:

<u>Given recursive formula</u>

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Step-by-step explanation:

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Answer:

(-2, 3)

Step-by-step explanation:

Think of this in the future:

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90-degree --> (x,y) = (-y,x) ex. (3,2) --> (-2,3)

180-degree --> (x,y) = (-x,-y) ex. (3,2) --> (-3, -2)

270 degree --> (x,y) = (y,-x) ex. (3,2) --> (2, -3)

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90-degree --> (x,y) = (y, -x) ex. (3,2) --> (2, -3)

180-degree --> (x,y) = (-x,-y) ex. (3,2) --> (-3,-2)

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Answer:

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