Answer:
Word: x patch longer after x weeks an 3x patches wider after x weeks
The symbol: 3+ x*1 and 5+ 3x after x weeks
Explanation:
Given that:
- 3 patches long
- 5 patches wide
- Each week, she plans to make the quilt 1 patch longer and 3 patches wider
For example, we will have a table of values:
Week Length Width
1 3 5
2 3+1 5+3
3 3+1+1 5+3 +3
…. ..... .........
x 3+ x*1 5+ 3x
Word: x patch longer after x weeks an 3x patches wider after x weeks
The symbol: 3+ x*1 and 5+ 3x after x weeks