Answer: b ≤ -18
<u>Step-by-step explanation:</u>
Isolate the variable by multiplying both sides by -3. Remember that when you multiply or divide by a negativem the symbol flips.

Answer:
About 67%
Step-by-step explanation:
This is a conditional relative frequency. There are 36 students who are aged 14-17 and 24 of them skip breakfast. Therefore, the answer is 24/36 = 2/3 ≈ 67% (ans)