Which ratios form a proportion?

4/9 , 12/25

3/7 , 18/42

5/11 , 20/45

5/8 , 15/25

Question

Which ratios form a proportion?

4/9 , 12/25

3/7 , 18/42

5/11 , 20/45

5/8 , 15/25

anonymous · Answer

Help someone?

anonymous · Answer

@I_Need_Help_With_Home

zbrandz23 · Answer

I think its the first one but I'm not sure.

midhun.madhu1987 · Answer

Equal ratios are called Proportion

midhun.madhu1987 · Answer

Express both fractions in the simplest form.. and if they are equal, then they form Proportion

texaschic101 · Answer

ratios are nothing but equivalent fractions

4/9 = 12/25 ...are those equivalent fractions ? NO

3/7 .... is 18/42 equivalent ? 
same thing goes for the rest of them...just find the fractions that are equivalent

anonymous · Answer

@texaschic101 7 goes into 42,  6 times and 3 goes into 18,  6 times. So the answer is B?

leader · Answer

Its B because 
3         18
--   = -----
7            42

leader · Answer

Yes @I_Am_A_Monkey_BANANAS  It is B :)

anonymous · Answer

Could someone help me with 2 more question?

anonymous · Answer

Thank you @Leader