Question

Which pair of ratios forms a proportion?
9/11=81/88
15/24=45/48
21/49=3/7
36/64=8/9

Answer 1

simplify ALL the fractions. whichever is equal it's the proportiion

Answer 2

the third one

Answer 3

Thanks

Answer 4

for example:
\[\frac 12 = \frac 24 = \frac 36 = \cdots\]
and so on