Verified Answer :

mp3101

15/45 simplify is 1/3.
3/9 _ is 1/3
3/15 _ is 1/5
1/3 is 1/3
30/60 is 1/2
So 3/15 and 30/60 are the correct answers

Hey there, Lets solve this step by step. 

Question = Which ratio is NOT proportionate to 15/45 ? 

A proportion is an equation written in the form stating that two ratios are equivalent. 

15/45 ⊄ 3/15 

Cross multiply:

15 15 = 45 3 

Simplifying

15 15 = 45 3 

Multiply 15 15

225 = 45 3

 
Multiply 45 * 3

225 = 135

 
Solving
225 = 135


The left and right sides are not equal, therefore there is no solution.

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