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4 votes
Which two ratios form a proportion? A) 1 : 3 and 6 : 3 B) 1 : 3 and 3 : 6 C) 3 : 1 and 9 : 3 D) 3 : 1 and 3 : 9

2 Answers

4 votes

Answer:

c

Explanation:

you have to set them up as a fraction and see if they are an equivalent fraction and if they are thats the proportion

User Jubei
by
8.1k points
4 votes

Answer:

C is the answer

3 :1 and 9 :3

Explanation:

a :b :: c:d =
(a)/(b) =
(c)/(d)

3 :1 and 9 :3

=
(3)/(1) and
(9)/(3)

3:1 :: 9:3 =
(3)/(1) =
(9)/(3)

3 = 3 so these two ratios are proportional

or another method is find the cross multiplication


(3)/(1) = (9)/(3)

i.e 3 × 3 = 9 × 1

9 =9

so these two ratios are proportional

User Msakya
by
7.9k points

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