Answered

is the ratio 4.2:1.5 proportional to the ratio 12.6:4.5 

Sagot :

Luanaid
[tex]If\ we\ divide\ \frac{12.6}{4.5}\ by\ 3\ we\ receive\ \frac{4.2}{1.5}.\\\\So\ thats\ true\ that\ they\ are\ proportional.[/tex]