# math

posted by shynice

which pair of ratios can form a true proportion
9/12,5/8
25/20,16/21
6/27,2/9
7/12,10/15

1. Ms. Sue

What do you think?

Hint: In which of those answers is one denominator divisible by the other?

2. Bosnian

6 / 27 = 3 * 2 / ( 3 * 9 ) = 2 / 9

3. shynice

i thiink d or c

4. Ms. Sue

Is 15 divisible by 12?
Is 27 divisible by 9?

5. shynice

no 15 is not divisble by 12
and yes 27 is divisble by 9

6. shynice

so it c

7. Ms. Sue

Yes, c.

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