Answer:
0 ≤ y ≤ 5
Explanation:
As you found, the inequality is:
1.5x + 9.75y ≤ 50
The most e-books Kim can buy is when x = 0.
9.75y ≤ 50
y ≤ 5.13
y must be an integer, so the number of e-books Kim can buy is 0 ≤ y ≤ 5.
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