Answer:
All of these questions, I did on paper. Gimme a sec while I upload them
Step-by-step explanation:
12 has more factors the 19,21,,23, and 25.
First, I will made 4 1/2 into the decimal which is 4.5. Then, I add 6 with 4.5 to find the total fabric that Belinda will buy which is 10.5 in total. As a result, Belinda buys total 10.5 white and red fabrics.
so 21 - 13, the money will be invested for 8 years.

And I don’t want to you know what to you