Answer:
18÷n or 18a
Step-by-step explanation:
Yes he is right because 100/20 is 5 and 7 times 5 is 35%
The answer is 7x≤15 because 7 times x (7x) can't be greater than 15, so the inequality would be less than or equal to because it had to be less than or equal to 15.
7x≤15