The answer is b
Explanation:
If you're asking for the model for the second problem (I didn't see any unsolved), here it is!
Answer:
25%
Step-by-step explanation:
The discount was $2.50. Dividing $2.50 by $10, we get 0.25, or 25%
Answer:
D. The range is greater than 25 and less than or equal to 31.
Step-by-step explanation:
y is range
≤ = less than or equal to
< = less than