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Select all that apply. Which of the following are proportions? 25/10=5/2,3/4=8/10,2/8=3/12,3/4=15/20

User Rodrigo
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2 Answers

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Answer: see pic below

Explanation:

Select all that apply. Which of the following are proportions? 25/10=5/2,3/4=8/10,2/8=3/12,3/4=15/20-example-1
User Papanito
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Answer:


(25)/(10) = (5)/(2) is in proportion.


(3)/(4) = (8)/(10) is not in proportion.


(2)/(8) = (3)/(12) is in proportion.


(3)/(4) = (15)/(20) is in proportion.

Explanation:

The first example is
(25)/(10) = (5)/(2) and it is in proportion.

This is because, you will get the same simplest fraction (
(5)/(2)) from the fraction
(25)/(10) by dividing its numerator and denominator by 5.

The second example is
(3)/(4) = (8)/(10) and it is not in proportion.

This is because, you can not get the simplest fraction (
(3)/(4)) from the fraction
(8)/(10) after simplification.

The third example is
(2)/(8) = (3)/(12) and it is in proportion.

This is because, you will get the same simplest fraction (
(1)/(4)) from the fraction
(2)/(8) by dividing its numerator and denominator by 2 and from the fraction
(3)/(12) by dividing its numerator and denominator by 3.

The fourth example is
(3)/(4) = (15)/(20) and it is in proportion.

This is because, you will get the same simplest fraction (
(3)/(4)) from the fraction
(15)/(20) by dividing its numerator and denominator by 5. (Answer)

User Kaleb
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