Question

Do the ratios 10/9 and 20/18 form a proportion?​

Answer 1

yes

Step-by-step explanation:cross-products both equal 18020(9) = 10(18)180 = 180

Answer 2

Answer (with explanation):

Yes!

10/9 is proportionally the same as 20/18.

This is because when you simplify 20/18:

20 / 2 = 10

18 / 2 = 9

You get 10/9, the same as the first ratio!

So, 10/9 = 20/18, which concludes that the two ratios form a proportion.