Answer:
1) The problem asks for the number of boxes than can be made from the yarn.
2) There are two facts: (i) Gina has 90 meters of yarn, (ii) Gina uses 4 1/2 meters of yarn for every box she makes.
3) We need to divide the total length of yarn by the length used to produce a box.
4) 20 boxes.
5) Gina can make 20 boxes from 90 meters of yarn.
Explanation:
1) What is asked?
R/ The problem asks for the number of boxes than can be made from the yarn.
2) What are the given facts?
R/ There are two facts: (i) Gina has 90 meters of yarn, (ii) Gina uses 4 1/2 meters of yarn for every box she makes.
3) What is the operation to be used?
R/ We need to divide the total length of yarn by the length used to produce a box.
![x = (90\,m)/((9)/(2)\,m )](https://img.qammunity.org/2022/formulas/mathematics/high-school/266j5jazdgt1vud0mxk25qxodldpdf1hc2.png)
![x = 20](https://img.qammunity.org/2022/formulas/business/college/vb2m4qs9rnt36bm2jcucmw5rldjw1773md.png)
4) What is the number sentence?
R/ 20 boxes.
5) What is the complete answer?
R/ Gina can make 20 boxes from 90 meters of yarn.