What decimal fraction is between 1.2 and 1.5

Triangle jkl was dilated using the rule dm, 1/3 the image, triangle j’ k’ l’ is the result of the dilation. a.5 units b.7.5 units c.10 units d.12.5 units

Which expression is equivalent to 5r6141 2r+st6

Can someone answer this question? : )