Question

Which ratio forms a proportion with 30/42

Answer 1

\[\frac{30}{42}=\frac{6\times 5}{6\times 7}=\frac{5}{ 7}\]

Answer 2

Ratio form: 5:7

Answer 3

these are the choices
45/63
15/27
28/40
21/15

Answer 4

Simplify the choice like what I've done for the question and see which gives you 5/7. That's that answer you need. Can you try?

Answer 5

they dont simplify to 5/7